Windows 7 Why isent aero working anymore???

[SchindlerShadow]

this is wat i get when i run the fix...

Desktop Window Manager is disabled Detected


The Desktop Window Manager must be enabled in order to display Aero desktop effects such as transparency.

Enable the Desktop Window Manager Completed

Enabling the Desktop Window Manager will enable Aero effects such as transparency.

it flashes in aero for half a second when fixing, then goes back to basic, whats wrong? i usully figure it out but its pissing me off, aero is enabled and it says its not.....

Edit:


5.7
Determined by lowest subscore

Processor AMD Phenom(tm) 9950 Quad-Core Processor 7.1
Memory (RAM) 4.00 GB 7.3
Graphics NVIDIA GeForce 9800 GT 6.9
Gaming graphics 2303 MB Total available graphics memory 6.9
Primary hard disk 13GB Free (128GB Total) 5.7

 

[Saltgrass]

You may have some software keeping if from using Aero.

If not that, what driver are you using for the Nvidia card, Windows update or Nvidia?

Any warnings or errors in Event Viewer?