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

August 21, 2013 in Technology • 6 Comments

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”

Ron

August 21, 2013 at 9:18 pm

You’re a genius.

Reply
- Balu
  
  August 21, 2013 at 10:37 pm
  
  lol. not really! 🙂
  
  Reply
Praveena

August 22, 2013 at 12:10 am

Thanks for sharing Bala !!!

Reply
- Balu
  
  August 22, 2013 at 7:53 am
  
  Thanks for reading 🙂
  
  Reply
Indira

August 23, 2013 at 1:02 am

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

Reply
- Balu
  
  August 23, 2013 at 8:36 am
  
  Me too 🙂
  
  Reply