hello everyone, first of all i installed a ati 4850 in my computer without uninstalling a geforce 6600 ( i know i should've uninstalled it but i got exicited), anyway now at loaded windows startup i get c:\win\system32 nvmctray.dll & nvcpl.dll could'nt load messages. i cannot find these .dll files in system32. i reinstalled the 6600 card & drivers and did what i should' ve done in the first place but still get the same msgs. i tried drive sweeper to no avail. i've also tried safe mode. i really do not want to reformat windows if i don't have to. my specs are win xp sp3, 5000be, ati4850, msi 570lt, 2gb gskiil, soyotech460 watts, 1dvd & 1cdrom. i appreciate any help you might be able to give. thanks