To enable 32 bit apps to run:
1.Go to command prompt and navigate to %systemdrive%InetpubAdminScripts
2.Run the command cscript.exe adsutil.vbs set W3SVC/AppPools/Enable32BitAppOnWin64 “true”
Next to reinstall ASP.NET 2.0.x
1.Go to command prompt
2.Navigate to C:%WINDIR%Microsoft.NETFrameworkv1.1.4322
3. Type aspnet_regiis /i