>>>>Hello,
>>>>
>>>>I get an error with VFPCompression.fll, one some computers it does not recognize the fll:
>>>>
>>>>

>>>>IF NOT "VFPCOMPRESSION" $ UPPER(SET("Library"))
>>>>	SET LIBRARY TO Bin\VfpCompression.fll ADDITIVE
>>>>ENDIF
>>>>UNZIPQUICK(File,Target) &&give an error "File unzipquick.prg does not exist.
>>>>

>>>>
>>>>On other computers it works, so I wonder if it misses some dll files?
>>>
>>>Download Dependency Walker (it is free) and open this fll on the computer where you get error.
>>
>>That was a great idea, the file that was missing was msvcp71.dll.
>
>Usually your application should bomb with error like "Invalid FLL.." or something like this, at the time you SET LIBRARY TO.
>Maybe you have some error routine that hides this error?

No, that particular code did not have an error routine as far as I could see. The msvcr71.dll was present, I suppose when that would have been missing it would have given the error?