Whenever posting questions on these forums, please give us as much information as possible about your computer. Depending on your issue, we might need the operating system, processor speed, amount of RAM installed, brand name of the computer, (if there is one), and any EXACT error messages you are receiving, and in your case, the exact version of Internet Explorer you're using..The more information you give us, the better informed our answer will be.

In the meantime, please try following the steps in the link below:

Can?t Open a New Window In Internet Explorer

Hope this helps.