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To disable Microsoft Update according to per user base just start regedit.exe and go to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer. Pick the option Enabled, press OK and exit from GPE. After that just double-click the option that says Disable and Remove Links to Windows Update or the one that says Remove links and access to Windows Update. Not extend User Configuration, Administrative Templates, Start Menu and Taskbar. You can do it by Starting Group Policy Editor and load the preferred Group Policy Object. Hey Petervbeck, I have read the issue you are encountering and I would suggest you to fix it by disabling it at a Group Policy level. It should work with hte hive 15.0 for Office 2013 Now close all windows, and Reboot your System once to apply all the changes. And name the DWORD value as “EnableAutomaticUpdates", set its value to “0". If you do not have any such value, create a DWORD value of 32bit by right clicking on the plane white area in the right-hand window of “Officeupdate" section. This will disable automatic updates of Office. Double click on EnableAutomaticUpdates and set its value to “0". Then in the right-hand menu, an “Officeupdate" window will expand and shows you many keys.
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“HKEY_LOCAL_MACHINE\software\policies\Microsoft\office\16.0\common\officeupdate" Press “Windows key + R" to open the Run dialog, type regedit.exe. You can also disable updates via the Registry Editor. I found this for Office 2016 - maybe this also works with office 2013 (version number has to be changed)
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