Bookstore Manager Software
Technical Support: MS-DOS Extended Error Codes

01 Function number invalid
02 File not found
03 Path not found
04 Too many open files
05 Access denied
06 Handle invalid
07 Memory control blocks destroyed
08 Insufficient memory
09 Memory block address invalid
10 Environment invalid
11 Format invalid
12 Access code invalid
13 Data invalid
14 Unknown unit
15 Disk drive invalid
16 Attempted to remove current directory
17 Not same device
18 No more files
19 Write-protected disk
20 Unknown unit
21 Drive not ready
22 Unknown command
23 Data error (CRC)
24 Bad request-structure length
25 Seek error
26 Unknown media type
27 Sector not found
28 Printer out of paper
29 Write fault
30 Read fault
31 General failure
32 Sharing violation
33 File-lock violation
34 Disk change invalid
35 FCB unavailable
36 Sharing buffer exceeded
37-49 Reserved
50 Unsupported network request
51 Remote machine not listening
52 Duplicate name on network
53 Network name not found
54 Network busy
55 Device no longer exists on network
56 NetBIOS command limit exceeded
57 Error in network adapter hardware
58 Incorrect response from network
59 Unexpected network error
60 Remote adapter incompatible
61 Printer queue full
62 Not enough room for print file
63 Print file was deleted
64 Network name deleted
65 Network access denied
66 Incorrect network device type
67 Network name not found
68 Network name limit exceeded
69 NetBIOS session limit exceeded
70 Temporary pause
71 Network request not accepted
72 Print or disk redirection paused
73-79 Reserved
80 File already exists
81 Reserved
82 Cannot make directory
83 Fail on Int 24H (critical error handler)
84 Too many redirections
85 Duplicate redirection
86 Invalid password
87 Invalid parameter
88 Net write fault