Home » Best Way To Uninstall How To Enable FTP Services In Windows
Best Way To Uninstall How To Enable FTP Services In Windows
March 5, 2022 By Brian Moses 
Sometimes your system may display a message about how to enable FTP services in Windows. There can be many reasons for this error to occur.
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DOS Error Codes
Of the single error codes below, only computer error codes 1-12 arereturns to AX on exit, starting at interrupt 21 or 24; Restare obtained when the Get Extended Error function is runPhone call; see INT 21:5901 Invalid function number02 File not found03 Path not found04 Too many open documents (no more descriptors left)05 Access denied06 Invalid descriptor07 storage fee blocks destroyed08 Out of memory09 Incorrect memory block address0A Invalid environment0B Invalid format0C Invalid access mode (open mode is still invalid)0D Invalid data0E reserved0F Invalid drive specified10 Try deleting the current directory11 Not quite a device12 additional files13 Try writing to a better write-protected disc14 Unknown object15 Disc not ready16 Unknown team17 CRC error18 Invalid request assembly length19 Research Mistakes1A Unknown media typeSector 1B not too foundPaperlessth printer 1C1D typo1st read error1F General error20 Sharing violation21 Interlock violation22 Invalid memory change23 FKB not available24 Sharing an overflow barrier25 reserved26 File operation could not be completed (DOS 4.x)27-31 Reserved32 Network request not supported33 remote computer not listening34 Duplicate name on the network35 Network name not found36 Network busy37 Network device no longer exists38 NetBIOS command limit exceeded39 Network card error3A Wrong supplier response3B Unexpected network error3C incompatible remote adapterFull range of 3D printing3E No space for image file3F print file removed40 network name removed41 Access denied42 Invalid network device type43 Network name not found44 Network alias limit exceeded45 NetBIOS session limit exceeded46 Temporarily suspended47 Network request accepted48 does not print or may have stopped disk redirection49-4F Reserved50 File already exists51 reserved52 Phonebook entry not possible53 error on INT 2454 Too many redirects55 Double redirect56 Wrong password57 Invalid parameter58 Network device error59 Function not owned by network (DOS 4.x)5A System required component not installed (DOS 4.x)DOS Error Code/classes
error classes01 More resources, more space, more channels, etc.02 Temporary condition, non-fatal error such as file lock03 Authorization, confirmation rejected04 Internal, internal error detected by the system05 Hardware error, serious hardware complication06 System loss, for example: misconfiguration07 Application error, inconsistent request08 Not found, file/element not found09 Invalid format, file/element in invalid format0A Locked, file/element lockedMedia Error 0B, ECC/CRC Error, Wrong or Failed Disc0C Already exists, collision with existing element0D Unknown, classification does not exist or has become inappropriate
DOS Error/Action Code And Location Codes
Error Action Codes (in BL)01 Try again, try againHow old and challenge again02 Postpone repeat, repeat several times after a complete pause03 Re-entry prompts the player to re-enter04 Exit with cleaning, soft exit and stop05 Failure management, immediate exit with cleaning06 Ignore errors07 User therapy, try again after the user solves the underlying problemError location (in CH)01 unknown02 Device area03 network04 Follower05 reminder
Common DOS Errors
In my years of programming experience with CA-Clipper, the most common DOS complications are DOS errors only 2, 3, 4, 5 and 32.
However, I have noticed posts on comp.lang.clipper about other DOS errors. So here is the complete basic list of DOS errors along with my recommended actions (if you need help:
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