The temporary files are in the documents & settings folder as are the cookies, but you'll need to mine deeper into the administrator files. You can still delete them easily from the browser though. Assuming you use Internet Explorer, go to 'Tools - Internet Options' then under the 'General Tab' click the 'Delete Files' button under the 'Temporary Internet Files' section. You can clear the history and delete the cookies here too, but it gets rid of all of them including the good ones. I'd use the 'My Computer' function to do that bit.
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Through difficulties to the cinema