please help

[David Jeffers]

When i first installed vista (about 3 days ago) everything worked fine i
rebooted after updating and the edge of the windows were not transparent
and
alt-tab did not show the live preview (instead it showed only the old
alt-tab) and the "switch between windows" does not work it shows the alt-tab
instead

 

[Mark L. Ferguson]

See if you have a previous version. Rightclick the shortcut in Quicklaunch,
and click Properties. Go where the location points, and rightclick that
file, to use Properties and the Previous Versions tab to replace it.

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Mark L. Ferguson

..

 

[Charlie42]

When i first installed vista (about 3 days ago) everything worked fine i
rebooted after updating and the edge of the windows were not
transparent and alt-tab did not show the live preview (instead it showed
only the old alt-tab) and the "switch between windows" does not work it
shows the alt-tab instead

Windows Aero has been shut off on your machine. This usually happens because
of incompatibilities caused by older software (games in particular),
hardware not being up to requirements, or non-genuine (pirated) Vista
copies.

You can turn the Aero feature back on in Control Panel > Appearance and
Personalisation > Personalisation > Change Theme > select Windows Vista
theme from the drop-down menu.

How to troubleshoot problems with Windows Aero:
http://windowshelp.microsoft.com/Windows/en-US/Help/c33fe91a-9e6f-41f4-ae82-3ed2d5fa2fbf1033.mspx

Hardware requirements for running Home Premium (Windows Aero):
http://www.microsoft.com/windows/products/windowsvista/buyorupgrade/capable.mspx

Charlie42