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Serious disk errors are occuring trying to read or write a disk volume (sector not found, general failure, etc.)

Explanation: The system detected an error trying to access a disk volume. The drive letter is specified in the error message and could be a hard disk, floppy disk, mapped network volume, etc.

Diagnosis: This sort of message on a hard disk can mean either file system corruption or bad sectors on the drive. It can also be caused by software or driver bugs, or by running out of system resources under Windows 3.x.

Recommendation:

• If you are using Windows 3.x, go the Program Manager, click "Help", then "About Program Manager". Check the number listed for system resources. If it is below about 20-30%, that may be the cause of your problem. Try rebooting and checking the value, to see if it increases, and see if the system runs better. I recommend rebooting Windows 3.x daily if it is heavily used. See here for more help on Windows 3.x system resources.
• If the volume being read is a floppy disk, this probably just means that the particular disk in the drive has developed errors. Try a different disk, or Troubleshoot the floppy disk drive(s).
• For a hard disk, scan for file system errors and then also perform a surface scan for bad sectors. If you find any bad sectors, diagnose them here. If the hard disk seems to be failing, troubleshoot it.

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