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 Critical error information table
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 Critical error codes (values for __errcritical.code)

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 Code       Meaning
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 0x01       Invalid function number
 0x02       File not found
 0x03       Path not found
 0x04       Too many open files (no handles left)
 0x05       Access denied
 0x06       Invalid handle
 0x07       Memory control blocks destroyed
 0x08       Insufficient memory
 0x09       Invalid memory block address
 0x0a       Invalid environment
 0x0b       Invalid format
 0x0c       Invalid access mode (open mode is invalid)
 0x0d       Invalid data
 0x0e       Reserved
 0x0f       Invalid drive specified
 0x10       Attempt to remove current directory
 0x11       Not same device
 0x12       No more files
 0x13       Attempt to write on a write-protected diskette
 0x14       Unknown unit
 0x15       Drive not ready
 0x16       Unknown command
 0x17       CRC error
 0x18       Bad request structure length
 0x19       Seek error
 0x1a       Unknown media type
 0x1b       Sector not found
 0x1c       Printer out of paper
 0x1d       Write fault
 0x1e       Read fault
 0x1f       General failure
 0x20       Sharing violation
 0x21       Lock violation
 0x22       Invalid disk change
 0x23       FCB unavailable
 0x24       Sharing buffer overflow
 0x25       Reserved
 0x26       Unable to complete file operation (DOS 4.x)
 0x27-0x31  Reserved
 0x32       Network request not supported
 0x33       Remote computer not listening
 0x34       Duplicate name on network
 0x35       Network name not found
 0x36       Network busy
 0x37       Network device no longer exists
 0x38       NetBIOS command limit exceeded
 0x39       Network adapter error
 0x3a       Incorrect network response
 0x3b       Unexpected network error
 0x3c       Incompatible remote adapter
 0x3d       Print queue full
 0x3e       No space for print file
 0x3f       Print file deleted
 0x40       Network name deleted
 0x41       Access denied
 0x42       Network device type incorrect
 0x43       Network name not found
 0x44       Network name limit exceeded
 0x45       NetBIOS session limit exceeded
 0x46       Temporarily paused
 0x47       Network request not accepted
 0x48       Print or disk redirection is paused
 0x49-0x4f  Reserved
 0x50       File already exists
 0x51       Reserved
 0x52       Cannot make directory entry
 0x53       Fail on INT 24
 0x54       Too many redirections
 0x55       Duplicate redirection
 0x56       Invalid password
 0x57       Invalid parameter
 0x58       Network device fault
 0x59       Function not supported by network (DOS 4.x)
 0x5a       Required system component not installed (DOS 4.x)
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 Critical error classes (values for __errcritical.class)

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 Code       Meaning
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 0x01       Out of resource, out of space, channel, etc
 0x02       Temporary situation, not an error, e. g. file lock
 0x03       Authorization, permission denied
 0x04       Internal, system detected internal error
 0x05       Hardware failure, serious problem related to hardware
 0x06       System failure, e. g. invalid configuration
 0x07       Application error, inconsistent request
 0x08       Not found, file/item not found
 0x09       Bad format, file/item in invalid format
 0x0a       Locked, file/item interlocked
 0x0b       Media failure, ECC/CRC error, wrong or bad disk
 0x0c       Already exists, collision with existing item
 0x0d       Unknown, classification doesn't exist or is inappropriate
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 Critical error action codes (values for __errcritical.action)

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 Code       Meaning
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 0x01       Retry, attempt a few more times and re-prompt
 0x02       Delay retry, retry a few more times after a pause
 0x03       Re-enter input, prompt user to re-enter input
 0x04       Abort with cleanup, orderly abort and shutdown
 0x05       Immediate abort, exit immediately without cleanup
 0x06       Ignore error
 0x07       User intervention, retry after user fixes the problem
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 Critical error source (locus) codes (values for __errcritical.source)

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 Code       Meaning
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 0x01       Unknown
 0x02       Block device
 0x03       Network
 0x04       Serial device
 0x05       Memory
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