i have mistakenly deleted the upperfilter registry key. insatlled Kasperky internet security 2010. But why my pc shut down is very slow. even running msconfig I had tested the startup entries. Start up entries of realtek,nero & ATI takes more time to shutdown. But my doubt is after deleting Upperfilter registry key shut down takes more time i.e. about 4 minutes.My OS is Win XP (Proffessional).Kindly help me
