Michael,

It would have made a difference if the path to prg contains spaces. Always use name expression when macro is not needed.

>You are right There was a line in a code which I managed to miss :)
>

>delete file *.fxp
>

>adding
>

>compile *.prg 
>

>resolved the issue. DO &xprg with extension .prg or without DO (forceext(xprg, '')) as you suggested doesn't make a difference then.
>