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How to Remove or Hide Sign In from Home
How to Remove or Hide Sign In from Home, attached screenshot blue circle 
under "Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Policies\Adobe\Acrobat Reader\DC\FeatureLockDown\cServices", you have to create a new DWORD 32Bit with the value "bUpdater" and set theValue = "0"
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