Right click on DLLs and check their version. The build should be 5815 (or later if hotfix has been aplied). If it's than you have multiple copies of VFP runtime DLLs on your PC and application uses the wrong one.

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>I really need some clarification on the VFP9 runtimes as I seem to have confused myself silly!
>
>Currently I am only distributing the 2 following files with my application:
>vfp9r.dll dated 15/10/2007
>VFP9RENU.DLL dated 15/10/2007
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>My understanding is that these are from SP2 but when I run the version command in the application it states its Visual FoxPro 09.00.0000.3504 EXE Support Library for Windows which I beleive is SP1, what else do I need to distribute in order to ensure the exe is running SP2?
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>I have looked at various web sites, Wiki's etc but seem to have just confused myself
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>Any help greatly appreciated.
>
>Jon