1. Windows Central Question's Avatar
    I have downloaded windows 10 update and it installed upto 32 %, then it throw an error windows update failed with error code "80240020".

    What to do now to install windows 10???

    pls help me out..

    Raghuvaran.
    08-03-2015 02:55 PM
  2. jlzimmerman's Avatar
    Was the install prompted by you or did the little W10 reminder from the task bar tell you it is ready for the upgrade? If the former, your W10 upgrade tasker may not be ready even though your machine may actually be ready. It's stupid, I know, but I have ready this from a few folks regarding this particular error.

    I get the same error when I force it from Windows Update even though the tasker still says "Thank you for reserving your free upgrade." Button = "Ok, notify me when ready." I get a completely different error code when I attempt an install from the downloadable install tool.
    08-04-2015 10:00 AM
  3. bill2455's Avatar
    There's another thread about this error. Seach on the error number to find it.
    08-04-2015 12:45 PM
  4. SumairB's Avatar
    I've been forcing the update. The entire update downloaded (approx 2GB), prepared to install and then showed this same error. This has happened 3 times now. The Get Windows 10 taskbar app shows no change. Would waiting for the notification to come automatically, be the best option?
    08-06-2015 08:24 AM

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