1. Click on the start button and key in regedit and hit Enter.

2. Navigate through, HKEY_CURRENT_USER, Software, Microsoft, Windows and DWM.

3. Set Composition to 1 and CompositionPolicy to 2.

4. Restart the DWM by restarting the Desktop Windows Manager Session Manager service. This can be done in services.msc or by typing net stop uxsms and net start uxsms at command prompt.