Windows unable to upgrade due to USB install of OS Windows 8.1 / Windows 10

  • opening a cmd.exe as admin, run this command: reg add HKLM\SYSTEM\CurrentControlSet\Control /v PortableOperatingSystem /t REG_DWORD /d 0
  • Then reboot.

*Windows uses this PortableOperatingSystem key to detect if you use a regular or WindowsToGo version.

Article ID: 1141, Created On: 10/21/2018, Modified: 10/21/2018

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