Try disabling smooth scrolling:
1. In Internet Explorer, click Internet Options on the Tools menu.
2. Click the Advanced tab.
3. Click the Use Smooth Scrolling check box to clear it, and then click OK.
Also, found this, you could give it a try, (don't know if it will work):...
Configure your computer to not use graphics accelerator functions:
a. Right-click My Computer, and then click Properties.
b. On the Performance tab, click Graphics.
c. Move the Hardware Acceleration slider to None.
d. Click OK, and then click Close.
e. Click Yes to restart your computer.
Also, (not sure if it's been mentioned inthe thred), try clearing your temp internet files and cookies.