msos2.hlp (Table of Contents; Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
SYS1718
SYS1718
 
Explanation
 
The file containing the specified device driver, program, or data file
cannot be found.
 
Action
 
Install the specified file. Then restart the system.