Hey everyone. I am trying to update windows Vista from SP1 to SP2. Initially I couldn't get the computer to update at all. Every time I attempted to check for updates it would work for about 45 minutes then say windows couldn't check for updates. I tried every iFixit and Hotfix I could find on Microsoft.com. I was on another forum that said my SP2 install was corrupt, so I uninstalled it. Now I can download and install updates but I can't get SP2 to reinstall. Windows update hasn't offered it up as a download yet. When I downloaded the stand alone installer, it will run for awhile and then give a "castastrophic failure" notice. I am at the point that I don't know what to do next. When I first started having issues I had a bunch of Malware on it. I ran AdwCleaner, JRT, Combofix, CCleaner, and Eset Online Scanner. The last Eset scan found no infections of any kind. I ran all of those prior to uninstalling SP2 and messing everything up. Any help anyone can give would be great.