Every web browser stores web pages, images and other downloaded content on the computer. This is called the browser's cache. Clearing it occasionally or regularly can protect your privacy and free up some space in your computer. Since every browser is different, the following sections will outline the steps involved in clearing the cache for several popular web browsers.
For Internet Explorer 8:
You may need to clear your browser and restart your browser. i am sorry we all are having this problem. Have even cleared cache and restarted the browser, keep having to clear procedure cache to improve performance. A better idea is to let your affected SP compile. before, you should choose to update all statistics properly.
Get the donationware 'CCleaner' from Piriform, Do a search on google and you'll find their link. This software makes it the easiest to do tasks like clearing the cache, temp files and a lot more. Also, it does not nag you with any unwanted messages/ads.
which cache are you referring to?
I love CCleaner :D.