What exactly does KB2952664 do?

If true, I agree that they crossed the lines into absolute fraud.

It's bad enough if they sneak things by not fully describing them (I no longer apply any non-security update UNLESS I read it and agree to it, and the generic "improvements" doesn't cut it.

But if something claims to be a security update and they slip in annoyware, then that's fraudulent behavior.

Ironically, it's mostly the updates that are preventing me from upgrading to Win10.  I have never upgraded Windows (I get the later release when I get my next PC), and it's possible that I'll have no choice when I buy a new PC, but the fact that you cannot pick and choose updates (take all, or you can't even get security fixes) in Win10 if you don't agree to take everything they shove down your throat, is the main thing stopping me from getting it.

Beware of KB3139929 (in the March Windows Update list).

This is a security update for IE11 ... however it also pulls in several other non-security updates. One of the updates it pulls in (that is not in the Windows Update list) is KB3146449.

Microsoft's description of KB3146449  states this (bold font is mine) ...

This update adds functionality to Internet Explorer 11 on some computers that lets users learn about Windows 10 orstart an upgrade to Windows 10.

So it appears that Microsoft is trying to sneak yet another way of coercing a Windows 10 installation (KB3146449) in an update for IE11 (KB3139929).

You cannot hide KB3146449 because it does not show up in any Windows Update list. It is pulled in when you install the IE 11 update (KB3139929).

More information about this newest attempt by Microsoft to get Windows 10 installed can be found here.

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Is there a KB (or any other identifiable/searchable) number associated with the Office 365 update you received? If so, try searching on that number and the phrase:  Windows 10 ... so see if anyone else had a similar problem after getting Office 356 updated.

Is Office 365 updated automatically or do you have to click something to get the updates (Sorry for all these questions, I do not have Office 365). Is Office 365 updated via the Windows Update process, or some other process (such as settings within the app itself)? If Office 365 is automatically updated, you may want to find out if there is an option to manually control when the updates are downloaded & installed.

You should probably run the GWX Control Panel after any update from Microsoft.

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There's no KB number for Office 365 updates.  It appears to be totally separate from Windows Update.  There are only two polar options:  Disable Updates and Automatic Updates.  When updates are disabled, I don't know if there is any notification that a new one is available.  I'll have to see if the red update available notification appears.  From what I understand, it remains active until you do update.

GWXCP did display an alert as monitoring is on.

MS updated my Office 365 this week.  Do you think they might have included "Get Windows 10" with that update?

Don't know ... but it's possible.

Is there a KB (or any other identifiable/searchable) number associated with the Office 365 update you received? If so, try searching on that number and the phrase:  Windows 10 ... so see if anyone else had a similar problem after getting Office 356 updated.

Is Office 365 updated automatically or do you have to click something to get the updates (Sorry for all these questions, I do not have Office 365). Is Office 365 updated via the Windows Update process, or some other process (such as settings within the app itself)? If Office 365 is automatically updated, you may want to find out if there is an option to manually control when the updates are downloaded & installed.

You should probably run the GWX Control Panel after any update from Microsoft.

As far as which KB updates one should install (versus which ones to hide), Woody Leonard's site recommends that update descriptions in the Windows Update list that begin with "Security update for Windows ..." should be installed, but those that begin with  "Update for Windows ..." should NOT be installed. In other words, install the KB updates that are for security and do not install the others (i.e., non-security).

... Who knows what new tricks Microsoft will think up.

Those of us who do not want Windows 10 on our computers will have to be very vigilant.

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I have had an impression that it might not have come through Windows Update which shows nothing since 2/17.  MS updated my Office 365 this week.  Do you think they might have included "Get Windows 10" with that update?