Lets try the clean boot and see if it is a driver conflict. Read this carefully before beginning
Next we will check for driver conflicts
Step 1: Start MSConfigClick
Start, type
msconfig in the Start Search box, and then press ENTER.
If you are prompted for an administrator password or for a confirmation, type the password, or provide confirmation.
Step 2: Configure Selective Startup options1.In the System Configuration Utility dialog box, click
Selective Startup on the
General tab.
2.Click to clear the
Load Startup Items check box.
Note The Use Original Boot.ini check box is unavailable.
3.Click the
Services tab.
4.Click to select the
Hide All Microsoft Services check box.
5.Click
Disable All, and then click OK.
6. When you are prompted, click Restart.
Once back in windows does the problem still occur ?