Unfortunately, we do not believe the problem lies in our site; www.telerik.com
has been tested and optimized for IE6, IE7 and FF2. Still, I just browser the site for almost 15 min with IE6 and found no problems (find attached a screenshot from my test).
Please check if you have installed all latest Windows Critical Updates. In addition, please try to provide some details on your browser version and steps to reproduce the problem on our side.