If you are on 14279 why do you care about 3140768? That is an update for 1511 10586.
The latest news about the Redstone path which 14279 is on is now release in 2017.
r do you have several machines as I do? Some Insiders and some Production?
I am still not quite understanding. You alternate between running the production release ( 1511) and the Insider release and when a couple of production updates don't work for you, you then ignore the production release and go back the the Insider release and as you are on 14279 those updates obviously DO work for you.
Is this multiple PC s, VMs or dual booting?
You must have time on your hands Gideon.
Hey Gid....
Next time you're bored, go here
http://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB3140768
YOu have to use Internet Explorer. Even edge won't work with the update catalog.
Download the correct standalone installer for your system archtecture, then.....
Try clean booting the system and see if that produces any relief. Run it like that for a day or two and check Windows Update manually in the interim to make sure everything is up to date.
https://support.microsoft.com/en-us/kb/929135
Use the steps for Windows 8 / 8.1 (same for Windows 10)
Easily done and easily undone.
You're basically just disabling all Startup Items and all non-Microsoft services. Do no mess with the Microsoft services. Be sure to check the box to hide them before proceeding.
AND
See if you can then run the standalone installer and get it to work on your 10586 TH_2 version. Uninstall your third party security suite too. You can reinstall it later.
@LordDelacroix As a ( now retired) system software developer since the '60s these assorted problems with W10 give me the feeling that there is a bug, probably very simple, deep down. Something like an incorrectly initialized variable or perhaps bad memory allocation or release under some circumstances. I can remember doing stuff like making the memory in any allocation being returned full of a large -ve number and then doing regression testing to see if something broke!
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