Set WOW – 32 bit .net application on a 64 bit PC

My development computer at work was a x86 PC that has windows XP. Recently I had to upgrade to a windows 7 64 bit PC which brought a lot of trouble. One among them is running a .net 32 bit application. After a lot of research I found a way to enable WOW (Windows On Windows). This is quite old and most of the techies knows about it, but I thought its worth to share it.

Here you go…
1. Open command prompt.
2. Navigate to ‘C:\WINDOWS\Microsoft.NET\Framework64\v2.0.50727\’.
3. Type ‘Ldr64.exe SetWow’ and hit enter.

This will enable 32 bit CLR applications to run properly. You can always revert the settings with the command ‘Ldr64.exe Set64’.

Happy Coding!

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  One thought on “Set WOW – 32 bit .net application on a 64 bit PC

  1. Ron
    August 21, 2013 at 9:18 pm

    You’re a genius.

    • August 21, 2013 at 10:37 pm

      lol. not really! πŸ™‚

  2. August 22, 2013 at 12:10 am

    Thanks for sharing Bala !!!

    • August 22, 2013 at 7:53 am

      Thanks for reading πŸ™‚

  3. August 23, 2013 at 1:02 am

    All this goes over my head Balu, couldn’t understand a thing. Blessings.

    • August 23, 2013 at 8:36 am

      Me too πŸ™‚

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