>when i make many operations at my project as exe.
>i try to exit via rong way,i get error message
>connot quit visual foxpro ,
>my pc stuck?
>is there any vfp code to help to exit .


Make sure you do proper code cleanup. Do not leave dangling object references (aka doing Garbage Collection)
See:
http://fox.wikis.com/wc.dll?Wiki~ManualGarbageCollection
http://fox.wikis.com/wc.dll?Wiki~OOP,GarbagecollectionAndDanglingObjectReferences...


Also make sure you use the ON SHUTDOWN command.
See:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dv_foxhelp9/html/9ab3af21-8cd6-4a18-b40b-f789b802aef7.asp?frame=true
http://fox.wikis.com/wc.dll?Wiki~AppShutDown