CP Error Codes

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Control Program Programming Guide and Reference

Introduction to the Control Program Control Program Functions Keyboard Functions Mouse Functions Video Functions Data Types Errors Debugging Kernel Debugger Communications Protocol Device I/O Dynamic Linking Error Management Exception Management Extended Attributes File Management File Names File Systems Generic IOCtl Commands Memory Management Message Management National Language Support Pipes Program Execution Control Queues Semaphores Timers Notices Glossary

The following shows the numerical value of an error, its symbolic name, and a brief description of the error.

0 to 99

Code	Name	Description
0	NO_ERROR	No error occurred.
1	ERROR_INVALID_FUNCTION	Function number is not valid.
2	ERROR_FILE_NOT_FOUND	File not found.
3	ERROR_PATH_NOT_FOUND	Path not found.
4	ERROR_TOO_MANY_OPEN_FILES	Too many open files (no handles left).
5	ERROR_ACCESS_DENIED	Access denied.
6	ERROR_INVALID_HANDLE	Handle is not valid.
7	ERROR_ARENA_TRASHED	Memory control blocks destroyed.
8	ERROR_NOT_ENOUGH_MEMORY	Insufficient memory.
9	ERROR_INVALID_BLOCK	Memory-block address is not valid.
10	ERROR_BAD_ENVIRONMENT	Environment is not valid.
11	ERROR_BAD_FORMAT	Format is not valid.
12	ERROR_INVALID_ACCESS	Access code is not valid.
13	ERROR_INVALID_DATA	Data is not valid.
14	Reserved
15	ERROR_INVALID_DRIVE	Drive is not valid.
16	ERROR_CURRENT_DIRECTORY	Attempting to remove current directory.
17	ERROR_NOT_SAME_DEVICE	Not same device.
18	ERROR_NO_MORE_FILES	No more files.
19	ERROR_WRITE_PROTECT	Attempt to write on write-protected diskette.
20	ERROR_BAD_UNIT	Unknown unit.
21	ERROR_NOT_READY	Drive not ready.
22	ERROR_BAD_COMMAND	Unknown command.
23	ERROR_CRC	Data error - cyclic redundancy check.
24	ERROR_BAD_LENGTH	Request structure length is not valid.
25	ERROR_SEEK	Seek error.
26	ERROR_NOT_DOS_DISK	Unknown media type.
27	ERROR_SECTOR_NOT_FOUND	Sector not found.
28	ERROR_OUT_OF_PAPER	Printer is out of paper.
29	ERROR_WRITE FAULT	Write fault.
30	ERROR_READ_FAULT	Read fault.
31	ERROR_GEN_FAILURE	General failure. For DosGetShrSeg and DosGetNamedSharedMem, indicates that a segment's maximum reference count of 65535 has been exceeded.
32	ERROR_SHARING_VIOLATION	Sharing violation.
33	ERROR_LOCK_VIOLATION	Lock violation.
34	ERROR_WRONG_DISK	Disk change is not valid.
35	ERROR_FCB_UNAVAILABLE	FCB unavailable.
36	ERROR_SHARING_BUFFER_EXCEEDED	Sharing buffer overflow.
37	ERROR_CODE_PAGE_MISMATCHED	Code page does not match.
38	ERROR_HANDLE_EOF	End of file reached.
39	ERROR_HANDLE_DISK_FULL	Disk is full.
40	Reserved
41	Reserved
42	Reserved
43	Reserved
44	Reserved
45	Reserved
46	Reserved
47	Reserved
48	Reserved
49	Reserved
50	ERROR_NOT_SUPPORTED	Network request not supported.
51	ERROR_REM_NOT_LIST	Remote network node is not online.
52	ERROR_DUP_NAME	Duplicate file name in network.
53	ERROR_BAD_NETPATH	Network path not found.
54	ERROR_NETWORK_BUSY	Network is busy.
55	ERROR_DEV_NOT_EXIST	Device is not installed in network.
56	ERROR_TOO_MANY_CMDS	Network command limit reached.
57	ERROR_ADAP_HDW_ERR	Network adapter hardware error.
58	ERROR_BAD_NET_RESP	Incorrect response in network.
59	ERROR_UNEXP_NET_ERR	Unexpected error in network.
60	ERROR_BAD_REM_ADAP	Remote network adapter error.
61	ERROR_PRINTQ_FULL	Network printer queue is full.
62	ERROR_NO_SPOOL_SPACE	No space in print spool file.
63	ERROR_PRINT_CANCELLED	Print spool file deleted.
64	ERROR_NETNAME_DELETED	Network name deleted.
65	ERROR_NETWORK_ACCESS_DENIED	Access to network denied.
66	ERROR_BAD_DEV_TYPE	Device type for network is not valid.
67	ERROR_BAD_NET_NAME	Network name not found.
68	ERROR_TOO_MANY_NAMES	Network name limit exceeded.
69	ERROR_TOO_MANY_SESS	Network session limit exceeded.
70	ERROR_SHARING_PAUSED	Temporary pause in network.
71	ERROR_REQ_NOT_ACCEP	Network request denied.
72	ERROR_REDIR_PAUSED	Pause in network print disk redirection.
73	ERROR_SBCS_ATT_WRITE_PROT	Attempted write on protected disk.
74	ERROR_SBCS_GENERAL_FAILURE	General failure, single-byte character set.
75	ERROR_XGA_OUT_MEMORY	XGA is out of memory.
76	Reserved
77	Reserved
78	Reserved
79	Reserved
80	ERROR_FILE_EXISTS	File exists.
81	ERROR_DUP_FCB	Reserved.
82	ERROR_CANNOT_MAKE	Cannot make directory entry.
83	ERROR_FAIL_I24	Failure on INT24.
84	ERROR_OUT_OF_STRUCTURES	Too many redirections.
85	ERROR_ALREADY_ASSIGNED	Duplicate redirection.
86	ERROR_INVALID_PASSWORD	Password is not valid.
87	ERROR_INVALID_PARAMETER	Parameter is not valid.
88	ERROR_NET_WRITE_FAULT	Network device fault.
89	ERROR_NO_PROC_SLOTS	No process slots available.
90	ERROR_NOT_FROZEN	System error.
90	ERROR_SYS_COMP_NOT_LOADED	System error.
91	ERR_TSTOVFL	Timer service table overflow.
92	ERR_TSTDUP	Timer service table duplicate.
93	ERROR_NO_ITEMS	No items to work on.
95	ERROR_INTERRUPT	Interrupted system call.
99	ERROR_DEVICE_IN_USE	Device in use.

100 to 199

Code	Name	Description
100	ERROR_TOO_MANY_SEMAPHORES	User/system open semaphore limit reached.
101	ERROR_EXCL_SEM_ALREADY_OWNED	Exclusive semaphore already owned.
102	ERROR_SEM_IS_SET	DosCloseSem found semaphore set.
103	ERROR_TOO_MANY_SEM_REQUESTS	Too many exclusive semaphore requests.
104	ERROR_INVALID_AT_INTERRUPT_TIME	Operation at interrupt time is not valid.
105	ERROR_SEM_OWNER_DIED	Previous semaphore owner ended without freeing semaphore.
106	ERROR_SEM_USER_LIMIT	Semaphore limit exceeded.
107	ERROR_DISK_CHANGE	Insert drive B disk into drive A.
108	ERROR_DRIVE_LOCKED	Drive locked by another process.
109	ERROR_BROKEN_PIPE	Write on pipe with no reader.
110	ERROR_OPEN_FAILED	Open/create failed due to explicit fail command.
111	ERROR_BUFFER_OVERFLOW	Buffer passed to system call too small to hold return data.
112	ERROR_DISK_FULL	Not enough space on the disk.
113	ERROR_NO_MORE_SEARCH_HANDLES	Cannot allocate another search structure and handle.
114	ERROR_INVALID_TARGET_HANDLE	Target handle in DosDupHandle is not valid.
115	ERROR_PROTECTION_VIOLATION	User virtual address is not valid.
116	ERROR_VIOKBD_REQUEST	Error on display write or keyboard read.
117	ERROR_INVALID_CATEGORY	Category for DevIOCtl not defined.
118	ERROR_INVALID_VERIFY_SWITCH	Value passed for verify flag is not valid.
119	ERROR_BAD_DRIVER_LEVEL	Level four driver not found.
120	ERROR_CALL_NOT_IMPLEMENTED	Function called is not valid.
121	ERROR_SEM_TIMEOUT	Time-out occurred from semaphore API function.
122	ERROR_INSUFFICIENT_BUFFER	Data buffer too small.
123	ERROR_INVALID_NAME	Illegal character or file-system name is not valid.
124	ERROR_INVALID_LEVEL	Level for information retrieval or setting is not valid.
125	ERROR_NO_VOLUME_LABEL	No volume label found with DosQueryFSInfo function.
126	ERROR_MOD_NOT_FOUND	Module handle not found with DosQueryProcAddr(), DosQueryModAddr().
127	ERROR_PROC_NOT_FOUND	Procedure address not found with DosQueryProcAddr().
128	ERROR_WAIT_NO_CHILDREN	DosWaitChild finds no children.
129	ERROR_CHILD_NOT_COMPLETE	DosWaitChild children not ended.
130	ERROR_DIRECT_ACCESS_HANDLE	Handle operation is not valid for direct disk-access handles.
131	ERROR_NEGATIVE_SEEK	Attempting seek to negative offset.
132	ERROR_SEEK_ON_DEVICE	Application trying to seek on device or pipe.
133	ERROR_IS_JOIN_TARGET	Drive has previously joined drives.
134	ERROR_IS_JOINED	Drive is already joined.
135	ERROR_IS_SUBSTED	Drive is already substituted.
136	ERROR_NOT_JOINED	Cannot delete drive that is not joined.
137	ERROR_NOT_SUBSTED	Cannot delete drive that is not substituted.
138	ERROR_JOIN_TO_JOIN	Cannot join to a joined drive.
139	ERROR_SUBST_TO_SUBST	Cannot substitute to a substituted drive.
140	ERROR_JOIN_TO_SUBST	Cannot join to a substituted drive.
141	ERROR_SUBST_TO_JOIN	Cannot substitute to a joined drive.
142	ERROR_BUSY_DRIVE	Specified drive is busy.
143	ERROR_SAME_DRIVE	Cannot join or substitute a drive to a directory on the same drive.
144	ERROR_DIR_NOT_ROOT	Directory must be a subdirectory of the root.
145	ERROR_DIR_NOT_EMPTY	Directory must be empty to use join command.
146	ERROR_IS_SUBST_PATH	Path specified is being used in a substitute.
147	ERROR_IS_JOIN_PATH	Path specified is being used in a join.
148	ERROR_PATH_BUSY	Path specified is being used by another process.
149	ERROR_IS_SUBST_TARGET	Cannot join or substitute a drive that has a directory that is the target of a previous substitute.
150	ERROR_SYSTEM_TRACE	System trace error.
151	ERROR_INVALID_EVENT_COUNT	DosWaitMuxWaitSem errors.
152	ERROR_TOO_MANY_MUXWAITERS	System limit of 100 entries reached.
153	ERROR_INVALID_LIST_FORMAT	List format is not valid.
154	ERROR_LABEL_TOO_LONG	Volume label too big.
155	ERROR_TOO_MANY_TCBS	Cannot create another TCB.
156	ERROR_SIGNAL_REFUSED	Signal refused.
157	ERROR_DISCARDED	Segment is discarded.
158	ERROR_NOT_LOCKED	Segment is not locked.
159	ERROR_BAD_THREADID_ADDR	Thread-identity address is not valid.
160	ERROR_BAD_ARGUMENTS	Environment pointer is not valid.
161	ERROR_BAD_PATHNAME	Path name is not valid.
162	ERROR_SIGNAL_PENDING	Signal already pending.
163	ERROR_UNCERTAIN_MEDIA	Error with INT 24 mapping.
164	ERROR_MAX_THRDS_REACHED	No more process slots.
165	ERROR_MONITORS_NOT_SUPPORTED	Error with INT 24 mapping.
166	ERROR_UNC_DRIVER_NOT_INSTALLED	Default redirection return code.
167	ERROR_LOCK_FAILED	Locking failed.
168	ERROR_SWAPIO_FAILED	Swap I/O failed.
169	ERROR_SWAPIN_FAILED	Swap in failed.
170	ERROR_BUSY	Segment is busy.
171	Reserved
172	Reserved
173	ERROR_CANCEL_VIOLATION	A lock request is not outstanding for the specified file range, or the range length is zero.
174	ERROR_ATOMIC_LOCK_NOT_SUPPORTED	The file-system driver (FSD) does not support atomic lock operations. Versions of OS/2 prior to version 2.00 do not support atomic lock operations.
175	ERROR_READ_LOCKS_NOT_SUPPORTED	The file system driver (FSD) does not support shared read locks.
176	Reserved
177	Reserved
178	Reserved
179	Reserved
180	ERROR_INVALID_SEGMENT_NUMBER	Segment number is not valid.
181	ERROR_INVALID_CALLGATE	Call gate is not valid.
182	ERROR_INVALID_ORDINAL	Ordinal is not valid.
183	ERROR_ALREADY_EXISTS	Shared segment already exists.
184	ERROR_NO_CHILD_PROCESS	No child process to wait for.
185	ERROR_CHILD_ALIVE_NOWAIT	No Wait specified and child alive.
186	ERROR_INVALID_FLAG_NUMBER	Flag number is not valid.
187	ERROR_SEM_NOT_FOUND	Semaphore does not exist.
188	ERROR_INVALID_STARTING_CODESEG	Starting code segment is not valid, incorrect END ( label ) directive.
189	ERROR_INVALID_STACKSEG	Stack segment is not valid.
190	ERROR_INVALID_MODULETYPE	Module type is not valid - dynamic-link library file cannot be used as an application. Application cannot be used as a dynamic-link library.
191	ERROR_INVALID_EXE_SIGNATURE	EXE signature is not valid - file is a DOS mode program or an improper program.
192	ERROR_EXE_MARKED_INVALID	EXE marked is not valid - link detected errors when the application was created.
193	ERROR_BAD_EXE_FORMAT	EXE format not valid - file is a DOS mode program or an improper program.
194	ERROR_ITERATED_DATA_EXCEEDS_64k	Iterated data exceeds 64KB - there is more than 64KB of data in one of the segments of the file.
195	ERROR_INVALID_MINALLOCSIZE	Minimum allocation size is not valid - the size is specified to be less than the size of the segment data in the file.
196	ERROR_DYNLINK_FROM_INVALID_RING	Dynamic link from privilege level is not valid - privilege level 2 routine cannot link to dynamic-link libraries.
197	ERROR_IOPL_NOT_ENABLED	IOPL set to NO in CONFIG.SYS.
198	ERROR_INVALID_SEGDPL	Segment descriptor privilege level is not valid - can only have privilege levels of 2 and 3.
199	ERROR_AUTODATASEG_EXCEEDS_64k	Automatic data segment exceeds 64KB.

200 to 299

Code	Name	Description
200	ERROR_RING2SEG_MUST_BE_MOVABLE	Privilege level 2 segment must be movable.
201	ERROR_RELOC_CHAIN_XEEDS_SEGLIM	Relocation chain exceeds segment limit.
202	ERROR_INFLOOP_IN_RELOC_CHAIN	Infinite loop in relocation chain segment.
203	ERROR_ENVVAR_NOT_FOUND	Environment variable not found.
204	ERROR_NOT_CURRENT_CTRY	Not current country.
205	ERROR_NO_SIGNAL_SENT	No signal sent - no process in the command subtree has a signal handler.
206	ERROR_FILENAME_EXCED_RANGE	File name or extension is greater than 8.3 characters.
207	ERROR_RING2_STACK_IN_USE	Privilege level 2 stack is in use.
208	ERROR_META_EXPANSION_TOO_LONG	Meta (global) expansion is too long.
209	ERROR_INVALID_SIGNAL_NUMBER	Signal number is not valid.
210	ERROR_THREAD_1_INACTIVE	Inactive thread.
211	ERROR_INFO_NOT_AVAIL	File system information is not available for this file.
212	ERROR_LOCKED	Locked error.
213	ERROR_BAD_DYNALINK	Attempted to execute a non-family API in DOS mode.
214	ERROR_TOO_MANY_MODULES	Too many modules.
215	ERROR_NESTING_NOT_ALLOWED	Nesting is not allowed.
216	ERROR_CANNOT_SHRINK	System error.
217	ERROR_ZOMBIE_PROCESS	Zombie process.
218	ERROR_STACK_IN_HIGH_MEMORY	Stack is in high memory.
219	ERROR_INVALID_EXITROUTINE_RING	Exit routine ring is not valid.
220	ERROR_GETBUF_FAILED	Get buffer failed.
221	ERROR_FLUSHBUF_FAILED	Flush buffer failed.
222	ERROR_TRANSFER_TOO_LONG	Transfer is too long.
223	ERROR_FORCENOSWAP_FAILED	System error.
224	ERROR_SMG_NO_TARGET_WINDOW	The application window was created without the FCF_TASKLIST style, or the application window not yet been created or has already been destroyed.
228	ERROR_NO_CHILDREN	No child process.
229	ERROR_INVALID_SCREEN_GROUP	Session is not valid.
230	ERROR_BAD_PIPE	The pipe is non-existent pipe or the operation is not valid.
231	ERROR_PIPE_BUSY	Pipe is busy.
232	ERROR_NO_DATA	No data available on non-blocking read.
233	ERROR_PIPE_NOT_CONNECTED	Pipe was disconnected by server.
234	ERROR_MORE_DATA	More data is available.
240	ERROR_VC_DISCONNECTED	Session was dropped due to errors.
250	ERROR_CIRCULARITY_REQUESTED	Renaming a directory that would cause a circularity problem.
251	ERROR_DIRECTORY_IN_CDS	Renaming a directory that is in use.
252	ERROR_INVALID_FSD_NAME	Trying to access an FSD that is not valid.
253	ERROR_INVALID_PATH	Pseudo device is not valid.
254	ERROR_INVALID_EA_NAME	Character in name or cbName is not valid.
255	ERROR_EA_LIST_INCONSISTENT	List does not match its size, or there are EAs that are not valid in the list.
256	ERROR_EA_LIST_TOO_LONG	FEAList is longer than 64K-1 bytes.
257	ERROR_NO_META_MATCH	String does not match expression.
258	ERROR_FINDNOTIFY_TIMEOUT	System error.
259	ERROR_NO_MORE_ITEMS	DosQueryFSAttach ordinal query.
260	ERROR_SEARCH_STRUC_REUSED	DOS mode findfirst/next search structure reused.
261	ERROR_CHAR_NOT_FOUND	Character not found.
262	ERROR_TOO_MUCH_STACK	Stack request exceeds system limit.
263	ERROR_INVALID_ATTR	Attribute is not valid.
264	ERROR_INVALID_STARTING_RING	Starting ring is not valid.
265	ERROR_INVALID_DLL_INIT_RING	DLL INIT ring is not valid.
266	ERROR_CANNOT_COPY	Cannot copy.
267	ERROR_DIRECTORY	Used by DOSCOPY in doscall1.
268	ERROR_OPLOCKED_FILE	Oplocked file.
269	ERROR_OPLOCK_THREAD_EXISTS	Oplock thread exists.
270	ERROR_VOLUME_CHANGED	Volume changed.
271	ERROR_FINDNOTIFY_HANDLE_IN_USE	Handle in use.
272	ERROR_FINDNOTIFY_HANDLE_CLOSED	Handle closed.
273	ERROR_NOTIFY_OBJECT_REMOVED	Object removed.
274	ERROR_ALREADY_SHUTDOWN	System is already shut down.
275	ERROR_EAS_DIDNT_FIT	Buffer is not big enough to hold the EAs.
276	ERROR_EA_FILE_CORRUPT	EA file has been damaged.
277	ERROR_EA_TABLE_FULL	EA table is full.
278	ERROR_INVALID_EA_HANDLE	EA handle is not valid.
279	ERROR_NO_CLUSTER	No cluster.
280	ERROR_CREATE_EA_FILE	Cannot create the EA file.
281	ERROR_CANNOT_OPEN_EA_FILE	Cannot open the EA file.
282	ERROR_EAS_NOT_SUPPORTED	Destination file system does not support EAs.
283	ERROR_NEED_EAS_FOUND	Destination file system does not support EAs, and the source file's EAs contain a need EA.
284	ERROR_DUPLICATE_HANDLE	The handle already exists.
285	ERROR_DUPLICATE_NAME	The name already exists.
286	ERROR_EMPTY_MUXWAIT	The list of semaphores in a muxwait semaphore is empty.
287	ERROR_MUTEX_OWNED	The calling thread owns one or more of the mutex semaphores in the list.
288	ERROR_NOT_OWNER	Caller does not own the semaphore.
289	ERROR_PARAM_TOO_SMALL	Parameter is not large enough to contain all of the semaphore records in the muxwait semaphore.
290	ERROR_TOO_MANY_HANDLES	Limit reached for number of handles.
291	ERROR_TOO_MANY_OPENS	There are too many files or semaphores open.
292	ERROR_WRONG_TYPE	Attempted to create wrong type of semaphore.
293	ERROR_UNUSED_CODE	Code is not used.
294	ERROR_THREAD_NOT_TERMINATED	Thread has not ended.
295	ERROR_INIT_ROUTINE_FAILED	Initialization routine failed.
296	ERROR_MODULE_IN_USE	Module is in use.
297	ERROR_NOT_ENOUGH_WATCHPOINTS	There are not enough watchpoints.
298	ERROR_TOO_MANY_POSTS	Post count limit was reached for an event semaphore.
299	ERROR_ALREADY_POSTED	Event semaphore is already posted.

300 to 399

Code	Name	Description
300	ERROR_ALREADY_RESET	Event semaphore is already reset.
301	ERROR_SEM_BUSY	Semaphore is busy.
302	Reserved
303	ERROR_INVALID_PROCID	Process identity is not valid.
304	ERROR_INVALID_PDELTA	Priority delta is not valid.
305	ERROR_NOT_DESCENDANT	Not descendant.
306	ERROR_NOT_SESSION_MANAGER	Requestor not session manager.
307	ERROR_INVALID_PCLASS	P class is not valid.
308	ERROR_INVALID_SCOPE	Scope is not valid.
309	ERROR_INVALID_THREADID	Thread identity is not valid.
310	ERROR_DOSSUB_SHRINK	Cannot shrink segment - DosSubSetMem.
311	ERROR_DOSSUB_NOMEM	No memory to satisfy request - DosSubAllocMem.
312	ERROR_DOSSUB_OVERLAP	Overlap of the specified block with a block of allocated memory - DosSubFreeMem.
313	ERROR_DOSSUB_BADSIZE	Size parameter is not valid - DosSubAllocMem or DosSubFreeMem.
314	ERROR_DOSSUB_BADFLAG	Flag parameter is not valid - DosSubSetMem.
315	ERROR_DOSSUB_BADSELECTOR	Segment selector is not valid.
316	ERROR_MR_MSG_TOO_LONG	Message too long for buffer.
317	ERROR_MR_MID_NOT_FOUND	Message identity number not found.
318	ERROR_MR_UN_ACC_MSGF	Unable to access message file.
319	ERROR_MR_INV_MSGF_FORMAT	Message file format is not valid.
320	ERROR_MR_INV_IVCOUNT	Insertion variable count is not valid.
321	ERROR_MR_UN_PERFORM	Unable to perform function.
322	ERROR_TS_WAKEUP	Unable to wake up.
323	ERROR_TS_SEMHANDLE	System semaphore is not valid.
324	ERROR_TS_NOTIMER	No timers available.
326	ERROR_TS_HANDLE	Timer handle is not valid.
327	ERROR_TS_DATETIME	Date or time is not valid.
328	ERROR_SYS_INTERNAL	Internal system error.
329	ERROR_QUE_CURRENT_NAME	Current queue name does not exist.
330	ERROR_QUE_PROC_NOT_OWNED	Current process does not own queue.
331	ERROR_QUE_PROC_OWNED	Current process owns queue.
332	ERROR_QUE_DUPLICATE	Duplicate queue name.
333	ERROR_QUE_ELEMENT_NOT_EXIST	Queue element does not exist.
334	ERROR_QUE_NO_MEMORY	Inadequate queue memory. For DosOpenQueue, DosCreateQueue, and DosWriteQueue, the following applies: These calls use a system-wide pool of memory. Every DosOpenQueue and DosCreateQueue uses up 34 bytes of memory, which is freed on close. Every DosWriteQueue uses 24 bytes of memory, which is freed on read. If too many elements are written to queues, further opens, creates, reads, or writes fail with this error code.
335	ERROR_QUE_INVALID_NAME	Queue name is not valid.
336	ERROR_QUE_INVALID_PRIORITY	Queue priority parameter is not valid.
337	ERROR_QUE_INVALID_HANDLE	Queue handle is not valid.
338	ERROR_QUE_LINK_NOT_FOUND	Queue link not found.
339	ERROR_QUE_MEMORY_ERROR	Queue memory error.
340	ERROR_QUE_PREV_AT_END	Previous queue element was at end of queue.
341	ERROR_QUE_PROC_NO_ACCESS	Process does not have access to queues.
342	ERROR_QUE_EMPTY	Queue is empty.
343	ERROR_QUE_NAME_NOT_EXIST	Queue name does not exist.
344	ERROR_QUE_NOT_INITIALIZED	Queues not initialized.
345	ERROR_QUE_UNABLE_TO_ACCESS	Unable to access queues.
346	ERROR_QUE_UNABLE_TO_ADD	Unable to add new queue.
347	ERROR_QUE_UNABLE_TO_INIT	Unable to initialize queues.
349	ERROR_VIO_INVALID_MASK	Function replace is not valid.
350	ERROR_VIO_PTR	Pointer to parameter is not valid.
351	ERROR_VIO_APTR	Pointer to attribute is not valid.
352	ERROR_VIO_RPTR	Pointer to row is not valid.
353	ERROR_VIO_CPTR	Pointer to column is not valid.
354	ERROR_VIO_LPTR	Pointer to length is not valid.
355	ERROR_VIO_MODE	Unsupported screen mode.
356	ERROR_VIO_WIDTH	Cursor width value is not valid.
357	ERROR_VIO_ATTR	Cursor attribute value is not valid.
358	ERROR_VIO_ROW	Row value is not valid.
359	ERROR_VIO_COL	Column value is not valid.
360	ERROR_VIO_TOPROW	Top Row value is not valid.
361	ERROR_VIO_BOTROW	Bot Row value is not valid.
362	ERROR_VIO_RIGHTCOL	Right column value is not valid.
363	ERROR_VIO_LEFTCOL	Left column value is not valid.
364	ERROR_SCS_CALL	Call issued by other than session manager.
365	ERROR_SCS_VALUE	Value is not for save or restore.
366	ERROR_VIO_WAIT_FLAG	Wait flag setting is not valid.
367	ERROR_VIO_UNLOCK	Screen not previously locked.
368	ERROR_SGS_NOT_SESSION_MGR	Caller not session manager.
369	ERROR_SMG_INVALID_SGID	Session identity is not valid.
369	ERROR_SMG_INVALID_SESSION_ID	Session ID is not valid.
370	ERROR_SMG_NOSG	No sessions available.
370	ERROR_SMG_NO_SESSIONS	No sessions available.
371	ERROR_SMG_GRP_NOT_FOUND	Session not found.
371	ERROR_SMG_SESSION_NOT_FOUND	Session not found.
372	ERROR_SMG_SET_TITLE	Title sent by shell or parent cannot be changed.
373	ERROR_KBD_PARAMETER	Parameter to keyboard is not valid.
374	ERROR_KBD_NO_DEVICE	No device.
375	ERROR_KBD_INVALID_IOWAIT	I/O wait specified is not valid.
376	ERROR_KBD_INVALID_LENGTH	Length for keyboard is not valid.
377	ERROR_KBD_INVALID_ECHO_MASK	Echo mode mask is not valid.
378	ERROR_KBD_INVALID_INPUT_MASK	Input mode mask is not valid.
379	ERROR_MON_INVALID_PARMS	One or more parameters to DosMon is not valid.
380	ERROR_MON_INVALID_DEVNAME	Device name string is not valid.
381	ERROR_MON_INVALID_HANDLE	Device handle is not valid.
382	ERROR_MON_BUFFER_TOO_SMALL	Buffer too small.
383	ERROR_MON_BUFFER_EMPTY	Buffer is empty.
384	ERROR_MON_DATA_TOO_LARGE	Data record is too large.
385	ERROR_MOUSE_NO_DEVICE	Mouse device closed; the device handle is not valid.
386	ERROR_MOUSE_INV_HANDLE	Mouse device closed; the device handle is not valid.
387	ERROR_MOUSE_INV_PARMS	Parameters for display mode are not valid.
388	ERROR_MOUSE_CANT_RESET	Function assigned and cannot be reset.
389	ERROR_MOUSE_DISPLAY_PARMS	Parameters for display mode are not valid.
390	ERROR_MOUSE_INV_MODULE	Module not valid.
391	ERROR_MOUSE_INV_ENTRY_PT	Entry point not valid.
392	ERROR_MOUSE_INV_MASK	Function mask is not valid.
393	NO_ERROR_MOUSE_NO_DATA	No valid data.
394	NO_ERROR_MOUSE_PTR_DRAWN	Pointer drawn.
395	ERROR_INVALID_FREQUENCY	Frequency for beep is not valid.
396	ERROR_NLS_NO_COUNTRY_FILE	Cannot find COUNTRY.SYS file.
397	ERROR_NLS_OPEN_FAILED	Cannot open COUNTRY.SYS file.
398	ERROR_NLS_NO_CTRY_CODE	Country code not found.
398	ERROR_NO_COUNTRY_OR_CODEPAGE	Country code not found.
399	ERROR_NLS_TABLE_TRUNCATED	Table returned information truncated, buffer is too small.

400 to 499

Code	Name	Description
400	ERROR_NLS_BAD_TYPE	Selected type does not exist.
401	ERROR_NLS_TYPE_NOT_FOUND	Selected type is not in file.
402	ERROR_VIO_SMG_ONLY	Valid from session manager only.
403	ERROR_VIO_INVALID_ASCIIZ	ASCIIZ length is not valid.
404	ERROR_VIO_DEREGISTER	VioDeRegister not allowed.
405	ERROR_VIO_NO_POPUP	Pop-up window not allocated.
406	ERROR_VIO_EXISTING_POPUP	Pop-up window on screen (NoWait).
407	ERROR_KBD_SMG_ONLY	Valid from session manager only.
408	ERROR_KBD_INVALID_ASCIIZ	ASCIIZ length is not valid.
409	ERROR_KBD_INVALID_MASK	Replacement mask is not valid.
410	ERROR_KBD_REGISTER	KbdRegister not allowed.
411	ERROR_KBD_DEREGISTER	KbdDeRegister not allowed.
412	ERROR_MOUSE_SMG_ONLY	Valid from session manager only.
413	ERROR_MOUSE_INVALID_ASCIIZ	ASCIIZ length is not valid.
414	ERROR_MOUSE_INVALID_MASK	Replacement mask is not valid.
415	ERROR_MOUSE_REGISTER	Mouse register not allowed.
416	ERROR_MOUSE_DEREGISTER	Mouse deregister not allowed.
417	ERROR_SMG_BAD_ACTION	Action specified is not valid.
418	ERROR_SMG_INVALID_CALL	INIT called more than once, or the session identity is not valid.
419	ERROR_SCS_SG_NOTFOUND	New session number.
420	ERROR_SCS_NOT_SHELL	Caller is not shell.
421	ERROR_VIO_INVALID_PARMS	Parameters passed are not valid.
422	ERROR_VIO_FUNCTION_OWNED	Save/restore already owned.
423	ERROR_VIO_RETURN	Non-destruct return (undo).
424	ERROR_SCS_INVALID_FUNCTION	Caller function is not valid.
425	ERROR_SCS_NOT_SESSION_MGR	Caller not session manager.
426	ERROR_VIO_REGISTER	Vio register not allowed.
427	ERROR_VIO_NO_MODE_THREAD	No mode restore thread in SG.
428	ERROR_VIO_NO_SAVE_RESTORE_THD	No save/restore thread in SG.
429	ERROR_VIO_IN_BG	Function in background is not valid.
430	ERROR_VIO_ILLEGAL_DURING_POPUP	Function not allowed during pop-up window.
431	ERROR_SMG_NOT_BASESHELL	Caller is not the base shell.
432	ERROR_SMG_BAD_STATUSREQ	Status requested is not valid.
433	ERROR_QUE_INVALID_WAIT	NoWait parameter out of bounds.
434	ERROR_VIO_LOCK	Error returned from Scroll Lock.
435	ERROR_MOUSE_INVALID_IOWAIT	Parameters for IOWait are not valid.
436	ERROR_VIO_INVALID_HANDLE	VIO handle is not valid.
437	ERROR_VIO_ILLEGAL_DURING_LOCK	Function not allowed during screen lock.
438	ERROR_VIO_INVALID_LENGTH	VIO length is not valid.
439	ERROR_KBD_INVALID_HANDLE	KBD handle is not valid.
440	ERROR_KBD_NO_MORE_HANDLE	Ran out of handles.
441	ERROR_KBD_CANNOT_CREATE_KCB	Unable to create kcb.
442	ERROR_KBD_CODEPAGE_LOAD_INCOMPL	Unsuccessful code-page load.
443	ERROR_KBD_INVALID_CODEPAGE_ID	Code page identity is not valid.
444	ERROR_KBD_NO_CODEPAGE_SUPPORT	No code page support.
445	ERROR_KBD_FOCUS_REQUIRED	Keyboard focus required.
446	ERROR_KBD_FOCUS_ALREADY_ACTIVE	Calling thread has an outstanding focus.
447	ERROR_KBD_KEYBOARD_BUSY	Keyboard is busy.
448	ERROR_KBD_INVALID_CODEPAGE	Code page is not valid.
449	ERROR_KBD_UNABLE_TO_FOCUS	Focus attempt failed.
450	ERROR_SMG_SESSION_NON_SELECT	Session is not selectable.
451	ERROR_SMG_SESSION_NOT_FOREGRND	Parent / child session is not foreground.
452	ERROR_SMG_SESSION_NOT_PARENT	Not parent of requested child.
453	ERROR_SMG_INVALID_START_MODE	Session start mode is not valid.
454	ERROR_SMG_INVALID_RELATED_OPT	Session start related option is not valid.
455	ERROR_SMG_INVALID_BOND_OPTION	Session bond option is not valid.
456	ERROR_SMG_INVALID_SELECT_OPT	Session select option is not valid.
457	ERROR_SMG_START_IN_BACKGROUND	Session started in background.
458	ERROR_SMG_INVALID_STOP_OPTION	Session stop option is not valid.
459	ERROR_SMG_BAD_RESERVE	Reserved parameters are not zero.
460	ERROR_SMG_PROCESS_NOT_PARENT	Session parent process already exists.
461	ERROR_SMG_INVALID_DATA_LENGTH	Data length is not valid.
462	ERROR_SMG_NOT_BOUND	Parent is not bound.
463	ERROR_SMG_RETRY_SUB_ALLOC	Retry request block allocation.
464	ERROR_KBD_DETACHED	This call is not allowed for a detached PID.
465	ERROR_VIO_DETACHED	This call is not allowed for a detached PID.
466	ERROR_MOU_DETACHED	This call is not allowed for a detached PID.
467	ERROR_VIO_FONT	No font is available to support the mode.
468	ERROR_VIO_USER_FONT	User font is active.
469	ERROR_VIO_BAD_CP	Codepage specified is not valid.
470	ERROR_VIO_NO_CP	System displays do not support codepage.
471	ERROR_VIO_NA_CP	Current display does not support codepage.
472	ERROR_INVALID_CODE_PAGE	Codepage is not valid.
473	ERROR_CPLIST_TOO_SMALL	Codepage list is too small.
474	ERROR_CP_NOT_MOVED	Codepage was not moved.
475	ERROR_MODE_SWITCH_INIT	Mode switch initialization error.
476	ERROR_CODE_PAGE_NOT_FOUND	Codepage was not found.
477	ERROR_UNEXPECTED_SLOT_RETURNED	Internal error.
478	ERROR_SMG_INVALID_TRACE_OPTION	Start session trace indicator is not valid.
479	ERROR_VIO_INTERNAL_RESOURCE	VIO internal resource error.
480	ERROR_VIO_SHELL_INIT	VIO shell initialization error.
481	ERROR_SMG_NO_HARD_ERRORS	No session manager hard errors.
482	ERROR_CP_SWITCH_INCOMPLETE	DosSetProcessCp is unable to set a KBD or VIO codepage.
483	ERROR_VIO_TRANSPARENT_POPUP	Error during VIO pop-up window.
484	ERROR_CRITSEC_OVERFLOW	Critical section overflow.
485	ERROR_CRITSEC_UNDERFLOW	Critical section underflow.
486	ERROR_VIO_BAD_RESERVE	Reserved parameter is not zero.
487	ERROR_INVALID_ADDRESS	Physical address is not valid.
488	ERROR_ZERO_SELECTORS_REQUESTED	At least one selector must be requested.
489	ERROR_NOT_ENOUGH_SELECTORS_AVA	Not enough GDT selectors to satisfy request.
490	ERROR_INVALID_SELECTOR	GDT selector is not valid.
491	ERROR_SMG_INVALID_PROGRAM_TYPE	Program type is not valid.
492	ERROR_SMG_INVALID_PGM_CONTROL	Program control is not valid.
493	ERROR_SMG_INVALID_INHERIT_OPT	Inherit option is not valid.
494	ERROR_VIO_EXTENDED_SG
495	ERROR_VIO_NOT_PRES_MGR_SG
496	ERROR_VIO_SHIELD_OWNED
497	ERROR_VIO_NO_MORE_HANDLES
498	ERROR_VIO_SEE_ERROR_LOG
499	ERROR_VIO_ASSOCIATED_DC

500 to 599

Code	Name	Description
500	ERROR_KBD_NO_CONSOLE
501	ERROR_MOUSE_NO_CONSOLE
502	ERROR_MOUSE_INVALID_HANDLE
503	ERROR_SMG_INVALID_DEBUG_PARMS
504	ERROR_KBD_EXTENDED_SG
505	ERROR_MOU_EXTENDED_SG
506	ERROR_SMG_INVALID_ICON_FILE
507	ERROR_TRC_PID_NON_EXISTENT
508	ERROR_TRC_COUNT_ACTIVE
509	ERROR_TRC_SUSPENDED_BY_COUNT
510	ERROR_TRC_COUNT_INACTIVE
511	ERROR_TRC_COUNT_REACHED
512	ERROR_NO_MC_TRACE
513	ERROR_MC_TRACE
514	ERROR_TRC_COUNT_ZERO
515	ERROR_SMG_TOO_MANY_DDS
516	ERROR_SMG_INVALID_NOTIFICATION
517	ERROR_LF_INVALID_FUNCTION
518	ERROR_LF_NOT_AVAIL
519	ERROR_LF_SUSPENDED
520	ERROR_LF_BUF_TOO_SMALL
521	ERROR_LF_BUFFER_CORRUPTED
521	ERROR_LF_BUFFER_FULL
522	ERROR_LF_INVALID_DAEMON
522	ERROR_LF_INVALID_RECORD
523	ERROR_LF_INVALID_TEMPL
523	ERROR_LF_INVALID_SERVICE
524	ERROR_LF_GENERAL_FAILURE
525	ERROR_LF_INVALID_ID
526	ERROR_LF_INVALID_HANDLE
527	ERROR_LF_NO_ID_AVAIL
528	ERROR_LF_TEMPLATE_AREA_FULL
529	ERROR_LF_ID_IN_USE
530	ERROR_MOU_NOT_INITIALIZED
531	ERROR_MOUINITREAL_DONE
532	ERROR_DOSSUB_CORRUPTED
533	ERROR_MOUSE_CALLER_NOT_SUBSYS
534	ERROR_ARITHMETIC_OVERFLOW
535	ERROR_TMR_NO_DEVICE
536	ERROR_TMR_INVALID_TIME
537	ERROR_PVW_INVALID_ENTITY
538	ERROR_PVW_INVALID_ENTITY_TYPE
539	ERROR_PVW_INVALID_SPEC
540	ERROR_PVW_INVALID_RANGE_TYPE
541	ERROR_PVW_INVALID_COUNTER_BLK
542	ERROR_PVW_INVALID_TEXT_BLK
543	ERROR_PRF_NOT_INITIALIZED
544	ERROR_PRF_ALREADY_INITIALIZED
545	ERROR_PRF_NOT_STARTED
546	ERROR_PRF_ALREADY_STARTED
547	ERROR_PRF_TIMER_OUT_OF_RANGE
548	ERROR_PRF_TIMER_RESET
549	Reserved
550	Reserved
551	Reserved
552	Reserved
553	Reserved
554	Reserved
555	Reserved
556	Reserved
557	Reserved
558	Reserved
559	Reserved
560	Reserved
561	Reserved
562	Reserved
563	Reserved
564	Reserved
565	Reserved
566	Reserved
567	Reserved
568	Reserved
569	Reserved
570	Reserved
571	Reserved
572	Reserved
573	Reserved
574	Reserved
575	Reserved
576	Reserved
577	Reserved
578	Reserved
579	Reserved
580	Reserved
581	Reserved
582	Reserved
583	Reserved
584	Reserved
585	Reserved
586	Reserved
587	Reserved
588	Reserved
589	Reserved
590	Reserved
591	Reserved
592	Reserved
593	Reserved
594	Reserved
595	Reserved
596	Reserved
597	Reserved
598	Reserved
599	Reserved

600 to 1999

600-638 Reserved.

639 ERROR_VDD_LOCK_USEAGE_DENIED

640 ERROR_TIMEOUT

641 ERROR_VDM_DOWN

642 ERROR_VDM_LIMIT

643 ERROR_VDD_NOT_FOUND

644 ERROR_INVALID_CALLER

645 ERROR_PID_MISMATCH

646 ERROR_INVALID_VDD_HANDLE

647 ERROR_VLPT_NO_SPOOLER

648 ERROR_VCOM_DEVICE_BUSY

649 ERROR_VLPT_DEVICE_BUSY

650 ERROR_NESTING_TOO_DEEP

651 ERROR_VDD_MISSING

691 ERROR_IMP_INVALID_PARM

692 ERROR_IMP_INVALID_LENGTH

693 MSG_HPFS_DISK_ERROR_WARN

Code	Name	Description
600-638	Reserved
639	ERROR_VDD_LOCK_USEAGE_DENIED
640	ERROR_TIMEOUT
641	ERROR_VDM_DOWN
642	ERROR_VDM_LIMIT
643	ERROR_VDD_NOT_FOUND
644	ERROR_INVALID_CALLER
645	ERROR_PID_MISMATCH
646	ERROR_INVALID_VDD_HANDLE
647	ERROR_VLPT_NO_SPOOLER
648	ERROR_VCOM_DEVICE_BUSY
649	ERROR_VLPT_DEVICE_BUSY
650	ERROR_NESTING_TOO_DEEP
651	ERROR_VDD_MISSING
691	ERROR_IMP_INVALID_PARM
692	ERROR_IMP_INVALID_LENGTH
693	MSG_HPFS_DISK_ERROR_WARN
730	ERROR_MON_BAD_BUFFER
731	ERROR_MODULE_CORRUPTED
732-1476	Reserved
1477	ERROR_SM_OUTOF_SWAPFILE
1478-1999	Reserved

2000 to 59999

Code	Name	Description
2000-2054	Reserved
2055	ERROR_LF_TIMEOUT
2057	ERROR_LF_SUSPEND_SUCCESS
2058	ERROR_LF_RESUME_SUCCESS
2059	ERROR_LF_REDIRECT_SUCCESS
2060	ERROR_LF_REDIRECT_FAILURE
32768	ERROR_SWAPPER_NOT_ACTIVE
32769	ERROR_INVALID_SWAPID
32770	ERROR_IOERR_SWAP_FILE
32771	ERROR_SWAP_TABLE_FULL
32772	ERROR_SWAP_FILE_FULL
32773	ERROR_CANT_INIT_SWAPPER
32774	ERROR_SWAPPER_ALREADY_INIT
32775	ERROR_PMM_INSUFFICIENT_MEMORY
32776	ERROR_PMM_INVALID_FLAGS
32777	ERROR_PMM_INVALID_ADDRESS
32778	ERROR_PMM_LOCK_FAILED
32779	ERROR_PMM_UNLOCK_FAILED
32780	ERROR_PMM_MOVE_INCOMPLETE
32781	ERROR_UCOM_DRIVE_RENAMED
32782	ERROR_UCOM_FILENAME_TRUNCATED
32783	ERROR_UCOM_BUFFER_LENGTH
32784	ERROR_MON_CHAIN_HANDLE
32785	ERROR_MON_NOT_REGISTERED
32786	ERROR_SMG_ALREADY_TOP
32787	ERROR_PMM_ARENA_MODIFIED
32788	ERROR_SMG_PRINTER_OPEN
32789	ERROR_PMM_SET_FLAGS_FAILED
32790	ERROR_INVALID_DOS_DD
32791	ERROR_BLOCKED
32792	ERROR_NOBLOCK
32793	ERROR_INSTANCE_SHARED
32794	ERROR_NO_OBJECT
32795	ERROR_PARTIAL_ATTACH
32796	ERROR_INCACHE
32797	ERROR_SWAP_IO_PROBLEMS
32798	ERROR_CROSSES_OBJECT_BOUNDARY
32799	ERROR_LONGLOCK
32800	ERROR_SHORTLOCK
32801	ERROR_UVIRTLOCK
32802	ERROR_ALIASLOCK
32803	ERROR_ALIAS
32804	ERROR_NO_MORE_HANDLES
32805	ERROR_SCAN_TERMINATED
32806	ERROR_TERMINATOR_NOT_FOUND
32807	ERROR_NOT_DIRECT_CHILD
32808	ERROR_DELAY_FREE
32809	ERROR_GUARDPAGE
32900	ERROR_SWAPERROR
32901	ERROR_LDRERROR
32902	ERROR_NOMEMORY
32903	ERROR_NOACCESS
32904	ERROR_NO_DLL_TERM
32905-59999	Reserved

60000 to 65079

Code	Name	Description
60000-65025	Reserved
65026	ERROR_CPSIO_CODE_PAGE_INVALID
65027	ERROR_CPSIO_NO_SPOOLER
65028	ERROR_CPSIO_FONT_ID_INVALID
65029-65032	Reserved
65033	ERROR_CPSIO_INTERNAL_ERROR
65034	ERROR_CPSIO_INVALID_PTR_NAME
65035-65036	Reserved
65037	ERROR_CPSIO_NOT_ACTIVE
65038	Reserved
65039	ERROR_CPSIO_PID_FULL
65040	ERROR_CPSIO_PID_NOT_FOUND
65041-65042	Reserved
65043	ERROR_CPSIO_READ_CTL_SEQ
65044	Reserved
65045	ERROR_CPSIO_READ_FNT_DEF
65046	Reserved
65047	ERROR_CPSIO_WRITE_ERROR
65048	ERROR_CPSIO_WRITE_FULL_ERROR
65049	ERROR_CPSIO_WRITE_HANDLE_BAD
65050-65073	Reserved
65074	ERROR_CPSIO_SWIT_LOAD
65075-65076	Reserved
65077	ERROR_CPSIO_INV_COMMAND
65078	ERROR_CPSIO_NO_FONT_SWIT
65079	ERROR_ENTRY_IS_CALLGATE