Start> Control Panel > Folder Options > View tab and under the advanced options window tick the show hidden folders option. Then follow SANTOS7`s thread. i.e. C:\Documents and Settings\username (SAM)\Local Settings\Temporary Internet Files and delete them all. (Click on one file in this folder then hold the CTRL key and the A key together which will highlight them all and hit the delete key to banish them all to the recycle bin.