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Sunday, May 24, 2015

Installer stuck at 18% when upgrading from Windows 10 (10074 to 10122) - Enterprise Mobility Tips - Site Home - TechNet Blogs

Are you trying to upgrade to Windows 10 preview build 10122 and the
installation hangs at 18%? The following approach unblocked me,
hopefully it works for you too – please let us know in the comments:


  • Download psexec.exe from sysinternals to e.g. c:\temp
  • Open an elevated command prompt
  • Execute psexec with the following parameters (try not to copy/paste):
    • C:\Temp\psexec.exe –s –i cmd.exe
  • A command prompt in the system context should launch: 
  • More....
Installer stuck at 18% when upgrading from Windows 10 (10074 to 10122) - Enterprise Mobility Tips - Site Home - TechNet Blogs

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