I used CCleaner to "Clean" my drive. It also has a utility for the registry where it scans for problem entries and fixes them, or should I say should fix them... After selecting "Fix Problems" I found that I now had more problems! Aside from everything running slower, now windows will not shutdown. To restart my computer I now have to open task manager and select one of two (svchost.exe) files running Network Service, end process and then I get a diologue box that gives me one minute to close running applications at which point windows then restarts my computer. What can I do to "Fix" this problem?