Thanks, I'll use the CreateProcess procedure, that works ok.

Kev
>Kevin,
>You could use ShellExecute or CreateProcess to execute another VFP .exe to handle the file copy. See http://www.news2news.com/vfp/?example=3&function=-1&xpg=1
>>Hi
>>
>>Is there ANY way of allowing VFP to say, copy a large file, but still allow the user to process other things on say, a form.
>>
>>I know VFP is single-threaded, but is there a way around things like this ?
>>
>>Thanks
>>Kev