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#1
Windows Update Not Working After Reinstall and Initial Updates
Hello there.
I have a Samsung Notebook here that shipped with Win 7 64 HP SP1. It was working fine but it was somewhat slow, so I've upgraded the storage to SSD and reinstalled Windows with the DVD that came with it (Which is basically a Windows install disk, it's not a recovery media). The installation went smoothly, however, I have experienced problems with Update in the past that were solved by applying the KB3102810 and also installing the newest WUA, in this case KB3138612 from March.
After installing them, and installing all the drivers, I happily proceeded to do a full system update. However, I didn't install all of them at once since in the past that caused problems. I've selected some updates, installed, rebooted, then installed the others except for the Internet Explorer and the optional and recommended ones.
I then Installed MS Office 2010, and applied the updates to it (using Windows Update), followed by the installation of IE11 but it was installed from the website (which I believe basically just installs the updates).
Everything went fine and on the next reboot the system was 'up to date' according to the Windows Update (green shield with a checkmark).
At that point I've disabled automatic updating ("Check but let me choose" option). However, I think some of the last updates caused some problem because now a few minutes after booting wuauserv will start to hog a CPU core. I guess it's because it starts to search for updates and somehow the WUA got broken. I let it sit for hours to no avail (Please note this is a modern i5 on a 250Mbps fiber connection). I've killed the service hosting process (svchost) and stopped the wuauserv and tried to reset the settings. First I've tried to apply the FixIt, but it didn't work because it triggers the same problem. Then I've reset it manually and removed the update cache files and settings, but no matter what I do the problem always happens. When I manually try to check for updates there's no network activity and the wuauserv keeps hogging a core.
I've tried downgrading WUA to the version from Sept 2015 because people reported it was working properly, but that didn't do the trick.
I have disabled the Windows Update service in the mean time, but I'd like to solve that problem somehow. Perhaps someone here knows what update caused the problems (if any). The system is pretty much vanilla, I've only installed that and made some harmless tweaks for SSD (disabled prefetch/superfetch and indexing).
Thank you in advance.