Hi to all of you I 've got this problem that I can't solv Got vista x64 ultim. installed Sp1 from update, and now this problem .. when I click on start and if I want to click on my computer on start menu explorer stops working and restarts, very annoying, with clasic start menu it works OK I also noticed that some functions on Computer Managemant aren't working I want to make changes to hard discs it shuts down Computer Management.. they all work fine without Sp1.. Any body got any Idea what could be causing the problem any help appricieted Thousand thanks in addvanced..