Member Avatar for ThunderSoul

Hi guys!

I'm having an issue with running an application.
So I started coding the application in WinXP 32-bit in C# VS2005.
I have now migrated to Win Vista 64-bit in C# VS2005.

It runs fine under WinXP x32, but when I try to compile the exact same application in Win Vista x64, I get this error:

" is not a valid Win32 application. (Exception from HRESULT: 0x800700C1)"

What do I do? What's the problem?

Thank you,
-TS...

tags: valid Win32 HRESULT 0x800700C1

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  • Latest Post Latest Post by kvprajapati
Member Avatar for kvprajapati

Did you changed Compiler option - Target CPU - x64?

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