I guess the easiest thing to do would be to go to a system restore point, but unfortunately when I tried to do that, I found that there was no restore point to choose Software was already installed on them and ready to use until I had time to deal with this. Fortunately, besides the drive running Win8 Pro, I have 3 other bootable hard drives in my computer running Win8 Release Preview, Win7 Pro, and XP Pro, and my large amount of Within the 'Program Files' folders, but I was too busy to setup everything again. The computer still functioned perfectly in every other way when I started programs from This was quite annoying, because it took a lot of time to setup all of that. However, I immediately discovered that almostĮvery tile on the Start screen and almost everything on my 'All Apps' screens had disappeared. I gradually installed a very lot of software, and customized my Start screen, which was full. I had been using the Win8 Previews for a long time without a problem, and as soon as Win8 Pro became available I purchased it. ORIGINAL TITLE:Why would updates cause my problems and how should I handle it?