Windows 7 taskbar preview switch off
in the Windows 7 taskbar, you see buttons for each open window. As soon as you move the mouse pointer over it, a small preview appears. It shows the current image content of the program window.
It’s actually quite nice and convenient. However, this function on slow computers needs unnecessary resources. In addition, such listings are not for everyone. Fortunately, the picture can be shut down.
Disable thumbnails in Windows 7
to disable the thumbnails in Windows 7, click computer first on the Start button, and then use the right mouse button on the entry.
Then select the menu item properties by mouse click.
next is click on advanced system settings .
click Advanced on .
click settings .
from the area Visual effects , remove the check mark before the entry desktop composition and click OK .
then only text information about the Windows are displayed instead of the thumbnails.
you want to waive the preview in Windows Vista, click with the right mouse button on the taskbar. Continue then with properties – taskbar show and disable window preview (thumbnail).
Read here how to make faster Windows search indexing is switched off.