Windows 10: Windows 10 Dev Insider build fails to install, stuck on Build 19640 that is expiring the...

Discus and support Windows 10 Dev Insider build fails to install, stuck on Build 19640 that is expiring the... in Windows 10 Installation and Upgrade to solve the problem; At 85% the update restarts again my computer and then says failed, rolling back to previous installation. I cannot get off this dev build 19640 every... Discussion in 'Windows 10 Installation and Upgrade' started by alexcomputerhelp, Jul 24, 2020.

  1. ALEXCOMPUTERHELP
    alexcomputerhelp Win User

    Windows 10 Dev Insider build fails to install, stuck on Build 19640 that is expiring the...


    At 85% the update restarts again my computer and then says failed, rolling back to previous installation. I cannot get off this dev build 19640 every time Windows starts it tells me it is expiring the end of July! Please help how can I fix this how do I find out what is causing the Windows Update to fail for the latest dev build? I switched to other channels and it shows no Windows update so it will expire and lock out my computer in a few days! Thank you. Alex

    :)
     
    alexcomputerhelp, Jul 24, 2020
    #1
  2. ALEXCOMPUTERHELP
    alexcomputerhelp Win User

    Windows 10 Dev Insider build fails to install, stuck on Build 19640 that is expiring the end of July!

    Hi Dave thank you for the link. Do you know why my Windows is failing to update to the latest Dev build? The problem is I cannot update to 20150 or 20175 that is the build that keeps failing and I roll back to the old expiring build I am stuck on. I do
    see the update available I am on an older Intel machine i7 3930k and when I select Dev Insider Channel then check for updates it finds it, tries to install, reboots 3 times, stalls at 85% then reboots and says rolling back changes and I am back on build 19640.
     
    alexcomputerhelp, Jul 27, 2020
    #2
  3. ALEXCOMPUTERHELP
    alexcomputerhelp Win User
    Windows 10 Dev Insider build fails to install, stuck on Build 19640 that is expiring the end of July!

    At 85% the update restarts again my computer and then says failed, rolling back to previous installation. I cannot get off this dev build 19640 every time Windows starts it tells me it is expiring the end of July! Please help how can I fix this how do
    I find out what is causing the Windows Update to fail for the latest dev build? I switched to other channels and it shows no Windows update so it will expire and lock out my computer in a few days! Thank you. Alex
     
    alexcomputerhelp, Jul 27, 2020
    #3
  4. DAVEM121
    DaveM121 Win User

    Windows 10 Dev Insider build fails to install, stuck on Build 19640 that is expiring the...

    Windows 10 Dev Insider build fails to install, stuck on Build 19640 that is expiring the end of July!

    Hi Alex

    This is a known problem at the moment, please see the reply from trusted MVP Sumit Dhiman on the thread below:

    https://answers.microsoft.com/en-us/insider/for...
     
    DaveM121, Jul 27, 2020
    #4
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Windows 10 Dev Insider build fails to install, stuck on Build 19640 that is expiring the...

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