The following is a listing of errors that you may receive when working in MS-DOS.
1. Abort, Retry, Fail? - Usually you will get this error message if you are trying to read a disk that is
not readable of if no disk is in there
2. Access denied - Usually meaning the file has a attribute on it *TIP* if you need to delete the file
just deltree FILE
3. Bad command or file name - Usually this is when you miss type a command or if DOS does not
know the command.
4. Bad or missing command interpreter - DOS cannot locate the Command.com a important file
that holds all of DOS's needed information, you will need to recopy it also there is a chance you
could possible have a Virus
5. Divide overflow - Program has attempted to divide something by 0.
6. Drive not ready error - Disk in the drive is not readable, such as a disk not being in the disk
7. Duplicate file name or file not found - When attempting to rename a file the file does not exist or
there is already a file with that name.
8. File cannot be copied onto itself - An attempt to copy a file could not be completed because the
file already exists or same source and destination.
9. File creation error - Directory could be full because of the DOS limitation of files in one directory
the file could also already exist or the file was not copied correctly
10. File not found - Meaning that in the directory that you searched does not have that certain file or
there are no files in the directory.
11. General Failure - Something bad has occurred and DOS not know what to say so it just gives
you this error if this is giving when try reading the Hard drive you may need to format the hard
drive or it possible even could be bad
12. Insufficient disk space - Disk is full or if you are trying to copy a file to a disk the file is too big to
fit on the disk.
13. Internal stack overflow - DOS's internal storage areas are full if you need to go into your
config.sys and increase the STACKS=0,0
14. Invalid directory - Directory is invalid or does not exist in the directory you are currently in.
15. Invalid drive specification - Drive does not exist on the computer or cannot be found.
16. Invalid file name or file not found - DOS cannot find the file specified in the current directory or
the file has a invalid character in it.
17. Invalid media, track 0 bad or unusable - Format command cannot format the specified disk or
the disk capacity is invalid, or bad disk.
18. Invalid number of parameters - When the command was typed something was left out that DOS
needed by the command, mistyped the command. or put a space where one was not needed.
19. Invalid parameter - Typed a command correctly but specified the incorrect parameter such as
20. Invalid Switch - The wrong slash was typed such as cd/ when it is supposed to be cd\.
21. Non-System disk or disk error - When booting up the computer this error will usually occur when
there is a floppy disk in the computer that is not bootable if there is no disk inside the computer
this could be an indication of a unrecognized hard drive, un formatted hard drive, or hard drive
with missing system files.
22. Not ready, reading drive X - Attempted to read a disk that is not readable or there is no disk in
23. Write fault error - Tried to reroute text to a device that is not connected or is not valid or not
24. Write protect - Tried to write to a disk that is write protected
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