How to Disable Vista Aero Glass Transparency Effect

To disable Windows Aero or switch between Aero Glass and Aero Basic themes (or any of the other themes):
1. Right-click on any blank spot on desktop area.
2. On the pop up right click contextual menu, and select “Personalize”.
3. Select “Windows Color and Appearance” option.
4. If you just want to disable Transparency, simply uncheck the “Enable Transparency” option.
5. To disable the Windows Aero theme altogether, click on the “Open classic apperance properties for more color options” link located at the bottom of Window Color and Apperance window.
6. In the Appearance Setting dialog box, select Windows Vista Basic or any other themes listed in the “Color Scheme” except Windows Aero such as Windows Standard which looks similar to Windows 2000 user interface style to disable Windows Aero.
7. Click OK.
If you want to go through the path of Control Panel in Windows Vista, here the links that you should clicked:
1. Click on Start button, and then click on Control Panel.
2. Click on “Appearance and Personalization”.
3. Under the section of Personalization, click “Change the color scheme” link.
4. You will see the same Appearance Settings dialog. So just select Windows Vista Basic or any other non-Aero themes.
5. Click OK.