format pc problem help

  1. C

    at the end with this Vista Pc----

    Hey All Im really trying to avoid formatting my pc(Core 2 Duo 3Ghz, 4Gb Ram, Vista 64Bit, 500Gb Seagate Drive) But I dont know what to do anymore with it... It boots, and from the moment its running, whenever I click anything, it hangs, for between 5 seconds to 1 Minute, nothing works...