Windows Upgrade Help and more

You could also try booting into Safe Mode and rolling back the driver updates from there. Another option is to run a system file check with the "sfc /scannow" command in an admin command prompt.

Oh, that click trick is great, but if you want it to always show the full path by default, there's a setting for that in Folder Options. Hope that helps.

Same here. I had the same problem with my older machine. The Installation Assistant was the only thing that finally pushed it through for me.