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Good day all,

I developed a desktop app using wxPython GUI and created an .exe file for it using Py2exe. But when I run/launch the .exe file it says “is not a valid win32 application”.

What could have gone wrong with my process?

enter image description here

History:

1) My installation is: Windows 32-bit, Python 2.7.6, wxPython3

2) I have successfully done this process using my old PC

3) Now that am using a new PC with the same installation, it first complained of missing msvcp90.dll file and I downloaded one here (the Manual fix) to fix that.

4) After creating the exe file (with the new PC), it won’t run/launch

Thanks in advance for your help.

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  • was your app created on your old pc? was the old pc 64-bit? Commented Jul 25, 2014 at 16:17
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    It could be some version mismatch of msvcp90. try searching it in your windows directly and manually copy one of those to your build folder. Commented Jul 25, 2014 at 16:17
  • @NGambit YES, it was created on my old PC it was 32-bit. (I lost the old PC, no way to lay my hands on it, am regretting) Commented Jul 26, 2014 at 14:12
  • @otterb, kindly clarify how I would go about searching it (the missing msvcp90.dll file) in my windows directly? Commented Jul 26, 2014 at 14:20
  • I just use explorer's search window. If you don't see any, try installing Visual C++ 2008 Redistributable Package as explained here stackoverflow.com/a/325456/566035 Commented Jul 28, 2014 at 9:21

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Did you create the .exe in the same computer? I encountered this problem once when trying to run a program created in 64 bit Windows and python on a 32 bit PC.

If you need to run it on a 32 bit PC try creating the executable in the same

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I created it on the same computer.

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