How to fix a Windows 7 upgrade from Vista that is stuck at 62%
A number of message boards around the net have been receiving comments from users upgrading from Windows Vista to Windows 7 who have been unable to complete the upgrade install.
Once the installer hits 62% complete, it locks up. You can sit and wait as long as you want, but it's not going anywhere.
The problem occurs when the Windows IPv6 helper service (which allows automatic IPv6 ...





