Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
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List of MS-DOS Extended Error Codes
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     MS-DOS Extended Error Codes
 
     Value     Meaning
 
     01h       function number invalid
     02h       file not found
     03h       path not found
     04h       too many open files
     05h       access denied
     06h       handle invalid
     07h       memory control blocks destroyed
     08h       insufficient memory
     09h       memory block address invalid
     0Ah       environment invalid
     0Bh       format invalid
     0Ch       access code invalid
     0Dh       data invalid
     0Eh       unknown unit
     0Fh       disk drive invalid
     10h       attempted to remove current directory
     11h       not same device
     12h       no more files
     13h       disk write-protected
     14h       unknown unit
     15h       drive not ready
     16h       unknown command
     17h       data error (CRC)
     18h       bad request structure length
     19h       seek error
     1Ah       unknown media type
     1Bh       sector not found
     1Ch       printer out of paper
     1Dh       write fault
     1Eh       read fault
     1Fh       general failure
     20h       sharing violation
     21h       lock violation
     22h       disk change invalid
     23h       FCB unavailable
     24h       sharing buffer exceeded
     25h       code page mismatched
     26h       handle end of file operation not completed
     27h       disk full
     28h-31h   reserved
     32h       unsupported network request
     33h       remote machine not listening
     34h       duplicate name on network
     35h       network name not found
     36h       network busy
     37h       device no longer exists on network
     38h       netBIOS command limit exceeded
     39h       error in network adapter hardware
     3Ah       incorrect response from network
     3Bh       unexpected network error
     3Ch       remote adapter incompatible
     3Dh       print queue full
     3Eh       not enough room for print file
     3Fh       print file was deleted
     40h       network name deleted
     41h       network access denied
     42h       incorrect network device type
     43h       network name not found
     44h       network name limit exceeded
     45h       netBIOS session limit exceeded
     46h       temporary pause
     47h       network requested not accepted
     48h       print or disk redirection paused
     49h-4Fh   reserved
     50h       file already exists
     51h       duplicate FCB
     52h       cannot make directory
     53h       fail on Int 24H (critical error)
     54h       too many redirections
     55h       duplicate redirection
     56h       invalid password
     57h       invalid parameter
     58h       net write fault
     59h       function not supported by network
     5Ah       required system component not installed
     65h       device not selected
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