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     DOS Error Messages

     The following table provides a complete listing of DOS error numbers and
     their descriptions.

     DOS Errors
     ------------------------------------------------------------------------
     Error    Description              Error    Description
     Number                            Number
     ------------------------------------------------------------------------
      1       Invalid function number  19       Attempt to write on
                                                write-protected diskette
      2       File not found           20       Unknown unit
      3       Path not found           21       Drive not ready
      4       Too many open files      22       Unknown command
              (no handles left)
      5       Access denied            23       Data error (CRC)
      6       Invalid handle           24       Bad request structure length
      7       Memory control blocks    25       Seek error
              destroyed
      8       Insufficient memory      26       Unknown media type
      9       Invalid memory block     27       Sector not found
              address
     10       Invalid environment      28       Printer out of paper
     11       Invalid format           29       Write fault
     12       Invalid access code      30       Read fault
     13       Invalid data             31       General failure
     14       Reserved                 32       Sharing violation
     15       Invalid drive was        33       Lock violation
              specified
     16       Attempt to remove the    34       Invalid disk change
              current directory
     17       Not same device          35       FCB unavailable
     18       No more files            36       Sharing buffer overflow
     37-49    Reserved                 66       Network device type incorrect
     50       Network request not      67       Network name not found
              supported
     51       Remote computer not      68       Network name limit exceeded
              listening
     52       Duplicate name on        69       Network BIOS session limit
              network                           exceeded
     53       Network name not found   70       Temporarily paused
     54       Network busy             71       Network request not accepted
     55       Network device no longer 72       Print or disk redirection
              exists                            paused
     56       Network BIOS command     73-79    Reserved
              limit exceeded
     57       Network adapter hardware 80       File already exists
              error
     58       Incorrect response from  81       Reserved
              network
     59       Unexpected network error 82       Cannot make directory entry
     60       Incompatible remote      83       Fail on INT 24H
              adapter
     61       Print queue full         84       Too many redirections
     62       Not enough space for     85       Duplicate redirection
              print file
     63       Print file deleted       86       Invalid password
              (not enough space)
     64       Network name deleted     87       Invalid parameter
     65       Access denied            88       Network device fault
     ------------------------------------------------------------------------