Random BSOD while browsing

Hello,
I got blue screen of death while browsing.
Processor is Core 2 Quad Q9550, MB is Gigabyte EP45T, 8GB RAM Kingston HyperX Blu. Memory is tested in gives no errors.

You need to update to the latest drivers for your ATI card

Follow this method for re-installation:

1. Download and install Driver Sweeper:
   → |MG| Driver Fusion (Driver Sweeper) 1.2.0 Download
2. Download the auto-detect tool for AMD.
   → AMD Driver Autodetect
3. Boot into Safe Mode from Advanced Boot Options:
   → http://www.sevenforums.com/tutorials/666-advanced-boot-options.html
4. Type in Driver Fusion in Search
5. Remove all drivers
6. Boot normally now, and install the latest drivers from the
   auto-detect program you downloaded.

Keep us posted