Erase Temporary Internet Files
In Firefox

1. Open Firefox and click on the "Tools" menu.
2. In the "Tools" menu, click on "Options".
3. The Options pop-up window will open.
4. From along the left side of the window select the "Privacy" icon. This displays the Privacy Settings in the right side of the window.
5. The option to erase the temporary Internet file "Cache" is at the bottom of the list.
6. Expand the options by selecting the "plus box" next to Cache.
7. Click "Clear" to erase temporary Internet files.
8. Erase all temporary Internet files by selecting the "Clear All" button.
9. Erase specific temporary Internet files such as History or Cookies by selecting their individual "Clear" buttons.

Internet Explorer: Erase temporary Internet files

Chrome: Erase temporary Internet files

SecureClean: Erase ALL temporary Internet files