WPU 1.64 DELETED Adobe Flash Player & part of NeXus Program while Uninstalling MSXML 4.0 SP3 Parser & using Safe Uninstall option.
PS: i Also needed 2 WIN UPDATES (KB2972216 & KB2894854), .NET Framework 4.5, 4.5.1 - was deleted or damaged - dont know exactly!!!
PPS: PLEASE add AUTO BACKUP option for Registry & System Restore Point, before uninstalling begins!!!
This is the 2nd time now, that i have to install damaged Programs all over again & try to fix WPUs damage.