Cancel Window 10 Upgrade

stephen8r
stephen8r used Ask the Experts™
on
A user clicked to reserve the upgrade from Win 7 to 10 which was a mistake.  The upgrade has now been downloaded to the machine and the user is being asked if they are ready to install?  There is no apparent way to cancel the upgrade.  The only option is to delay for 3 days and then the prompt appears again.  Is there a way to cancel?
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Top Expert 2015

Commented:
go to control panel > add / remove programs > click on Win 10 & select uninstall.
A better way would be to go to control panel > restore computer to a previous point.
Restore the PC to before Win 10 was downloaded.
JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

Commented:
Also try the following I got from Microsoft to cancel the upgrade. Take CARE because it is a registry change.

MicrosoftDisable-Windows-10
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Brian MurphySenior Information Technology Consultant

Commented:
This one is well hidden.

C:\Windows\System32\GWX\GWXConfigManager.exe

If you examine the thread it does:
C:\Windows\system32\GWX\GWXConfigManager.exe /RefreshConfig

That opens GWXUX.EXE which creates connection of TCP to

a23-192-57-115.deply.static.akamaitechnologies.com to HTTP

Thread shows
C:\Windows\System32\GWX\GWXUX.exe -Embedding

With a parent of "svchost.exe"  

I verified the process as Microsoft

And validated this removal procedure

http://www.myce.com/news/how-to-uninstall-kb3035583-the-windows-10-downloader-for-windows-7-and-8-1-75681/ 

There is a corresponding REGKEY at
HKLM\SOFTWARE\MICROSOFT\GWX
Brian MurphySenior Information Technology Consultant

Commented:
Couple of items I forgot.

You would need to stop Windows Update and "Take Ownership" of the folder.

If you want to "Stop it" from coming back, you put back the folder structure and set NTFS permissions on the top folder, Remove Inherit from root, Copy perms (After Taking Ownership)

Remove everything but System and Administrators

Set SYSTEM to Denied All

Administrators to Read Only

That should block Trusted Installer from ever installing it again

Commented:
Hi John Hurst

That reg edit is interesting.

Can you change a setting to stop the offer of Win 10.

I want to stop a customer with win 10 from clicking on it.

He hasn't clicked yet but will.

Both of those settings are set to 0 at the moment.

Thanks.
JohnBusiness Consultant (Owner)
Most Valuable Expert 2012
Expert of the Year 2018

Commented:
The setting I pointed to works, but the best way is to uninstall KB3035583

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