In Windows 7, Run program in compatibility mode is greyed out

By Manoj AgarwalWindows7

In Windows 7, run program in compatibility mode is greyed out

In Windows 7, compatibility mode is used to run a program that is written for a previous version of Windows to run on Windows 7.  I tried to install device drivers from Windows Vista on a Windows 7 machine.  To install the drivers in compatibility mode, I had to right click on installation file, then choose Properties.  In Properties window, there is a tab – ‘Compatibility’.   It contains Compatibility mode, where we can chose that the program may run in compatibility mode for previous version of Windows.  The following figure illustrates this:

This option is greyed with me, I can’t select from the drop-down list.  I used the following procedure to fix it.

  • Type ‘regedit’ in command window, so that we get registry editor.
  • Goto this registry entry: HKEY_LOCAL_MACHINE->SOFTWARE->Microsoft->Windows NT->CurrentVersion->AppCompatFlags->Layers
  • Delete this entry from registry, but take a registry backup before you do so.
  • Restart windows.

Note: Make any change in registry at your own risk.

 

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