Hang during Windows Update KB3216755 - Microsoft Community

i'm experiencing appears hang or loop during installation of windows update kb3216755. began install 24hrs ago. progress bar got 20% in 4 hours , has not moved since.

after 18hrs, tried cancel, nothing happened except text box displays message "cancelling updates....." not sure do. attempted kill , restart machine, os said not killed , system restarted because installer running. realize dangerous thing do, getting pissed off taking long, , not abort. 

need help... big red switch time, or there other less dangerous action can take?

thanks,

ron c.

answer-by-number:

1. did computer come win10 preinstalled, did you clean install of win10, or did upgrade win7 computer or win8.1 computer [<=pick one!] to win10?

2. manufactured computer (e.g., dell; hp; acer; lenovo; asus)?

3. has norton application or mcafee application ever been installed on computer since bought it?

4. have ever run norton removal tool and/or mcafee consumer products removal tool?

5. version & os build of windows 10 is installed?

• press & hold windows key , press the r key. in the run dialog, type winver , press the enter key.

6. problems having think installing kb3216755 manually might resolve?

Windows / Windows 10 / Windows update, recovery, & backup / PC