1. Click the "Tools" menu bar.
2. Choose "Internet Options".
3. On the "General" tab in the "Temporary Internet Files" section, click "Delete Files"
This will delete all the files in your cache.
4. Click "OK"
I like to delete all offline files as well.
5. On the "General" tab, click "Clear History".
This will clear all the history items in your browser.
6. When it asks "Delete all items in your History folder?", click "OK".
7. On the "General" tab, click "Delete Cookies".
8. Click "OK" to exit the properties window.