1. RichardBurt's Avatar
    Trying to upgrade from Windows 8.1 to the latest Windows 10 TP.

    Installing via Windows Update fails with a useless error message.

    Downloaded ISO and created bootable USB drive. Running setup.exe brings up the error message "setup has failed to initialize the working directory"

    Has anyone else come across this? Any suggestions / fixes?
    01-24-2015 08:25 AM
  2. RichardBurt's Avatar
    Resetting the registry permissions / ACL's solved the problem.
    01-24-2015 07:18 PM
  3. dunnster's Avatar
    Hi same issue
    how exactly did you fix it, sorry im not very tech savy!!
    Thanks for any help
    07-30-2015 12:04 PM
  4. Stealth777's Avatar
    Yes please tell how this was done :)
    07-30-2015 12:42 PM
  5. Stealth777's Avatar
    hey is it a table or laptop ?
    07-30-2015 02:45 PM
  6. IgorVysoky's Avatar
    Hello sir. Could you please help us to solve this issue? I am running Asus Transformer and I'm having this issue. Would love to have W10 on it already but it's slowing me down.
    07-30-2015 04:12 PM
  7. LordHellFire's Avatar
    Check available space on C-drive.
    Mine had only 1.78 GB and also displayed the error.
    Deleted stuff so I had 20+ GB available and then setup ran fine :)
    08-01-2015 03:19 AM
  8. Stealth777's Avatar
    Lordhellfire is correct delete junk , uninstall programs you don't use. backup your data on thumb drives.
    08-01-2015 12:03 PM
  9. swensdogg's Avatar
    The quickest, easiest fixes, in order:
    1. Check your free space. One MS poster recommended 10-13 GB (I only had 4.5 and mine worked).
    2. Make sure all Time & Language settings are in English/US.
    3. As noted above, reset some registry permissions.
    -right click Windows Start, click run. Type "regedit", click "ok". Click Edit and choose Permissions. What I did was "Allow" "Full Control" to SYSTEM, Administrators and Users. Clicked Apply then Ok. (Mine downloaded and worked fine after this. It worked on a friends too.)

    Good luck!
    08-01-2015 07:03 PM

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