Installer stuck at 18% when upgrading from Windows 10 (10074 to 10122)

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…

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