Hello Jaydee58 and welcome to Seven Forums.
Couple of things you could do. Delete your temp files, cookies, and browsing history.
Internet Explorer - Delete browsing history on exit
While you're in the Internet Options dialog box, click on the Security tab > Restricted Sites icon > Sites button and type in the www website address of any site you want to restrict. Close/OK your way back out of the dialog boxes.
You could also look into using a different browser (specifically, Firefox) and using a free add-on called NoScript.
NoScript - JavaScript/Java/Flash blocker for a safer Firefox experience! - what is it? - InformAction
There are other ad blockers available for IE but I'm not sure if any are free. Perhaps others will jump in with suggestions. I've been using AdMuncher for a couple of years with good success.
Ad Blocker: Ad Muncher