Here are instructions on how to clear the temporary Internet files in Internet Explorer 9:

1. Select Tools > Safety > Delete browsing history…/.
2. Make sure to uncheck Preserve Favorites website data and check both Temporary Internet Files and Cookies then click Delete.
3. You will get a confirmation at the bottom of the window once it has successfully cleared your cache and cookies.
4. Close ALL applications and reboot your system to make sure you do not have any instances of Internet Explorer running.

If you’re having trouble with a website, sometimes clearing your Internet Explorer temporary Internet files can help:

1. Select Tools > Internet Options.
2. Click on the General tab and then the Delete… button.
3. Make sure to uncheck Preserve Favorites website data and check both Temporary Internet Files and Cookies then click Delete.
4. Close ALL open applications and reboot your computer to insure you do not have any instances of Internet Explorer running.