I have a dell Dimension 8400 which started bluescreening. It would say there is an unmountable boot drive. However this happened every so often. I scaned the hard found some bad sectors, so I decided to install a new hard drive and and transfer over the data. I inserted a new hard drive loaded on Xp and theings were fine. Then I was installing SP3 and it did not install proberly and everything else kept not installing correctly and began blue screening again. So I decided to try yet another hard drive. Windows loaded great. The service pack loaded fine, then the other updates began not loading, niether would AVG. itunes would load but it would not actually open. After a few restarts now the computer boots up and says it had to use an old registry.
Any ideas on how to fix this? I am guessing this is more than a hard drive issue.