I am using Vista from some last couple of months. It looks to be working fine, but in few days I am getting errors on it. I did not new changes. I am looking for some video edition software. So I test a number of trail tool. Now from last couple of months I am facing problem related to Device Manager. Whenever I open it I am getting a error that Class Not Registered. I am sure this problem does not appear because of those small edition tools. There some other fault. Is anyone having the same problem. What can I do to fix this.