1. yusuph mlupilo's Avatar
    whenever I start updating windows I get error (0x8024402f) and when I run windowUpdateDiagnostic.diagcab it gives me a massage "Service registration is missing or corrupt" anyone to help me please
    02-10-2015 02:19 PM
  2. Vasrias's Avatar
    Have you tried Troubleshooting?
    Search for Troubleshooting in the Cortana Search Bar and there click "Fix problems with Windows Update".
    02-10-2015 02:38 PM
  3. Aalok05's Avatar
    Download Windows update troubleshooter from Microsoft site. It will fix your registry and everything will work out fine

    http://go.microsoft.com/?linkid=9830262
    02-19-2015 08:18 AM
  4. oberstel's Avatar
    I had the same issue.
    The reason (in my case) was, that I changed some how from Windows Technical Preview to Windows 10 Enterprise Technical Preview (Check Settings > System > Windows Edition).

    To fix this, I made the following changes to the registry:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion
    EditionID = Professional
    ProductName = Windows 10 Pro Technical Preview


    After a reboot, the update process started as expected.
    03-23-2015 02:54 AM
  5. yusupov's Avatar
    when i download the above link i get msg saying my "service registration is missing or corrupt"

    i checked i have "windows 10 technical preview" (not pro)

    build 9926 its tried to install 10041 at least a couple times but both failed, current status is here: (thread is called "10041 rolls back", i dont have enough posts to post the link)

    anyone have any ideas??
    03-25-2015 07:40 PM
  6. sylau90's Avatar
    when i download the above link i get msg saying my "service registration is missing or corrupt"

    i checked i have "windows 10 technical preview" (not pro)

    build 9926 its tried to install 10041 at least a couple times but both failed, current status is here: (thread is called "10041 rolls back", i dont have enough posts to post the link)

    anyone have any ideas??
    hey buddy, I think the best way to do it is to download the official 10041 iso from insider program, mount the iso and run the setup.exe.

    Works flawlessly, keep all my files, apps and setting too.

    I have been tinkering with the registry in the past week, nothing works.And, the lastest 10041 fixes ally my 9926 issues, random restarts, modern apps failed to open and random restarts. Smooth as butter now.
    03-25-2015 09:13 PM
  7. yusupov's Avatar
    unfortunately ive tried both iso & just now got a notification to update. both times what happens is it installs up to about 20%, resets, & then for some reason rolls back. i think it must have to do w/ my motherboard in some way...right now im trying to update from the iso w/ everything but m+k unplugged since one of my peripherals sometimes causes my pc to hang on startup (some issue w/ the bios/motherboard). not sure if ive tried an update w/ it unplugged yet or not but its worth a shot. if not pretty sure ill have to wait till the next build.
    03-26-2015 10:09 AM
  8. sylau90's Avatar
    unfortunately ive tried both iso & just now got a notification to update. both times what happens is it installs up to about 20%, resets, & then for some reason rolls back. i think it must have to do w/ my motherboard in some way...right now im trying to update from the iso w/ everything but m+k unplugged since one of my peripherals sometimes causes my pc to hang on startup (some issue w/ the bios/motherboard). not sure if ive tried an update w/ it unplugged yet or not but its worth a shot. if not pretty sure ill have to wait till the next build.
    I not sure what happens in your case, but when installing my hard drive still plugged in, no issue at all. Another thing is that, you need tons of patience, cause sometimes you might be confused as the installing page stuck at 20% or 30%, don't worry, just let it run, all you need to do is just wait.

    And, you need to pay extra attention when it hits 20% installation, cause it will restarts and might run a disk check, so make sure you are there to cancel the disk check.
    Oh yea, another tips is that, copy the iso into your C drive, and then mount it from there. Hope this helps.
    03-27-2015 03:04 AM
  9. D Ray Kriese's Avatar
    Have you attempted sfc /scannow from the administrator C prompt ?
    04-24-2015 09:54 AM

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