Get Rid Of Files In Temp Folder?

My browser files have are very confusing.My C:Documents and SettingsUSERNAMELocal Settings Temp has some junk, but some of it is active system files- which shouldn't be there.One folder in ''Temp'' is called ''Cookies''. Another folder in ''Temp'' is called ''History'' and contains ''History.IE5''. also ''temporary internet files''.There is also a ''History'' folder one level up (where it should be) that has no''History.ie5''. There is also a ''Cookies'' folder two levels up (where it should be). It seems to be an exact duplicate of the one in the ''Temp'' folder, I deleted all the other files in ''Cookies'', but they reappeared later.If I try to delete(in safe mode) everything in the Temp folder, I discover that they reappear after restart. how can i get rid of files from temp folder.and also how can i restore History folder which has no historyIE6 sub folder.same with temporary internet folder.