Ok, I checked out the links you posted Aegis, thanks. It appears that these links refer to a slightly different problem. The OS is win98, and the shell32.dll file is listed as corrupt upon log-on, disallowing the user to log on to his system.
I am thinking that the file needs to be copied to floppy, assuming that he has a floppy drive of course.
I know that if I hot the F8 or the F5 key upon boot up I can access command prompt.
I guess I am after what commands I need to type to transfer the file from the floppy to c:\windows\system folder, to allow the client to log on.
The other alternative is to hope like
*censored* that he has a copy of win98 to perform a repair from...