i deleted from hkey_local_machine software microsoft windows currentversion internet settings.. the folder “zones” and now exe files “windows cannot access the specified device path or file you may not have the appropriate permissions”,in yahoo messenger i can’t see text … i have windows xp sp 2…and system restore is not activated…i can’t install messenger 11 us, i double click it and nothing happens, i run as administrator, i don’t have a user… in this chase what can i do? and sorry for my english