No free file handles Bad Command or file name Access denied Memory allocation error Cannot load COMMAND, system halted Cannot start COMMAND, exiting Top level process aborted, cannot continue Write protect error Invalid unit Not ready Invalid device request Data error Invalid device request parameters Seek error Invalid media type Sector not found Printer out of paper error Write fault error Read fault error General failure Sharing violation Lock violation Invalid disk change FCB unavailable System resource exhausted Code page mismatch Out of input Insufficient disk space Too many parameters Required parameter missing Invalid switch Invalid keyword Parameter value not inallowed range Parameter value not allowed Parameter value not allowed Parameter format not correct Invalid parameter Invalid parameter combination Invalid function File not found Path not found Too many open files Access denied Invalid handle Memory control blocks destroyed Insufficient memory Invalid memory block address Invalid Environment Invalid format Invalid function parameter Invalid data Invalid drive specification Attempt to remove current directory Not same device No more files File exists Cannot make directory entry Fail on INT 24 Too many redirections Duplicate redirection Invalid password Invalid parameter Network data fault Function not supported by network Required system component not installed