I was having some problems installing Windows 8 KB2770917 update, it stopped at 15% and then it rolled back the installation. As being diagnosed as having CUD (Cumpulsory update disorder) I found a solution in Microsoft site: http://answers.microsoft.com/en-us/windows/forum/windows_8-windows_update/i-cannot-install-windows-update-kb2770917/e2189ae7-e86a-4bf2-931a-d985b25ad950 Run msconfig (Windows+R, msconfig) Go to Services Select Hide all Microsoft services Disable All non Microsoft services Setup KB reboot run msconfig again, Services and Enable all Services reboot again to start the services and it worked for me.
Just a collection of the solutions I have found to my life problems (Technical problems only, sorry)