The temporary Internet files in Internet Explorer 9, sometimes called the cache, are the copies of text, images, and other data from recently viewed websites that are stored on your hard drive.
As far as troubleshooting a problem goes, deleting temporary Internet files is helpful when a web page won't load but you're pretty confident that the site works for others.
Deleting the temporary Internet files in Internet Explorer is safe and won't remove other things like cookies, passwords, etc..
Follow the easy steps below to delete the temporary Internet files from Internet Explorer 9:
Here's How:
Open Internet Explorer 9.
On the very right-hand side of the browser, click on the gear icon, also called the Tools icon, followed by Safety, and finally Delete browsing history...
Note: If you have the Menu bar enabled, you can instead click Tools and then Delete browsing history....
In the Delete Browsing History window that appears, uncheck all options except the one labeled Temporary Internet Files.
Click the Delete button.
The Delete Browsing History window will disappear and you may notice your mouse icon go busy for a few moments.
As soon as your cursor returns to normal, consider your temporary Internet files deleted.
Tips:
Older Internet Explorer versions have similar procedures for deleting temporary Internet files but please try to run the latest version of IE if you can.
