//Delphi FAQs and TIs
DEC HEX EXPLANATION
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01 -- 01 Invalid function number
02 -- 02 File not found
03 -- 03 Path not found
04 -- 04 Too many open files (no handles left)
05 -- 05 Access denied
06 -- 06 Invalid handle
07 -- 07 Memory control blocks destroyed
08 -- 08 Insufficient memory
09 -- 09 Invalid memory block address
10 -- 0A Invalid environment
11 -- 0B Invalid format
12 -- 0C Invalid access mode (open mode is invalid)
13 -- 0D Invalid data
14 -- 0E Reserved
15 -- 0F Invalid drive specified
16 -- 10 Attempt to remove current directory
17 -- 11 Not same device
18 -- 12 No more files
19 -- 13 Attempt to write on a write-protected diskette
20 -- 14 Unknown unit
21 -- 15 Drive not ready
22 -- 16 Unknown command
23 -- 17 CRC error
24 -- 18 Bad request structure length
25 -- 19 Seek error
26 -- 1A Unknown media type
27 -- 1B Sector not found
28 -- 1C Printer out of paper
29 -- 1D Write fault
30 -- 1E Read fault
31 -- 1F General failure
32 -- 20 Sharing violation
33 -- 21 Lock violation
34 -- 22 Invalid disk change
35 -- 23 FCB unavailable
36 -- 24 Sharing buffer overflow
37 -- 25 Reserved
38 -- 26 Unable to complete file operation (DOS 4.x)
39-49 -- 27-31 Reserved
50 -- 32 Network request not supported
51 -- 33 Remote computer not listening
52 -- 34 Duplicate name on network
53 -- 35 Network name not found
54 -- 36 Network busy
55 -- 37 Network device no longer exists
56 -- 38 NetBIOS command limit exceeded
57 -- 39 Network adapter error
58 -- 3A Incorrect network response
59 -- 3B Unexpected network error
60 -- 3C Incompatible remote adapter
61 -- 3D Print queue full
62 -- 3E No space for print file
63 -- 3F Print file deleted
64 -- 40 Network name deleted
65 -- 41 Access denied
66 -- 42 Network device type incorrect
67 -- 43 Network name not found
68 -- 44 Network name limit exceeded
69 -- 45 NetBIOS session limit exceeded
70 -- 46 Temporarily paused
71 -- 47 Network request not accepted
72 -- 48 Print or disk redirection is paused
73 -- 49-4F Reserved
80 -- 50 File already exists
81 -- 51 Reserved
82 -- 52 Cannot make directory entry
83 -- 53 Fail on INT 24
84 -- 54 Too many redirections
85 -- 55 Duplicate redirection
86 -- 56 Invalid password
87 -- 57 Invalid parameter
88 -- 58 Network device fault
89 -- 59 Function not supported by network (DOS 4.x)
90 -- 5A Required system component not installed (DOS 4.x)