[Jeff Morriss <jeff.morriss.ws@xxxxxxxxx>]

David Ameiss wrote:
> "file wireshark-gtk2/wireshark.exe" returns "PE32+ executable (GUI) 
> x86-64, for MS Windows"
>
> I believe the stackoverflow article is essentially the instructions 
> found in 
> http://www.wireshark.org/docs/wsdg_html_chunked/ChSetupWin32.html, which 
> I followed. It's certainly possible I missed a step somewhere, but (1) 
> the generated installer installs fine on Windows 7, and installs into 
> the "Program Files" directory (rather than "Program Files (x86)", 
> implying that it's a 64-bit app), and (2) it runs on Windows 7 with no 
> problems.

Well, but the error message you quoted was "Wireshark is not a valid 
Win32 Application."

That implies to me that the OS in question (XP or Windows 7) is a 32-bit 
app whereas it appears you've built a 64-bit app.