20 Mar, 2009 in
tech stuff by
DarkBlak
Problem
When you run Windows Update you’ll get an error:
KB946648 Setup Error Required installation branch was not found in INF file
Solution
1. On the Run box (press window+r) type RunDll32 advpack.dll,LaunchINFSection %windir%\INF\msmsgs.inf,BLC.Remove
2. Install the latest version of Windows Live Messenger.
3. Restart your computer and try Windows Update again.