Aero is disabled: this is how you solve the Problem

The Tool WinSAT is disabled time and again, the Aero interface. This Feature allows you to switch off easy - we show you how.

So you can run Aero

Open the start menu using the Windows Button.

Enter "task scheduler" and click on the search hits.
Then navigate in the left directory tree to the folder "Microsoft\Windows\Maintenance".
Highlight in the middle window, select "WinSAT" and right click on "Finish".
After the safety query you can disable the Tool.
Should you need the feature again, turn it on "Enable" again.

These instructions apply to Windows 7.