KB4015217 Failed to install on XPS 13

The KB4015217 update is driving me crazy! It has failed to install 6 times untill now, with each round of installing/restoring taking between 2-3 hours.

After updating, this is the error message that I get: "We couldn't complete the updates. Undoing changes. Don't turn off your computer".

Some more info:

- The system I have is a Dell XPS13, i5-6200, 8Gb RAM, 64-bit Windows 10 Home.

- It came pre-installed with Win10.

- I have tried Windows Update Troubleshooter 3 times. Each time it says it found and fixed a problem, but this does not lead to succesfull installation of the update.


If there is anybody out there who can provide a solution, I would be very grateful.

Answer
Answer

Yes! Hallelujaaaah! :-)

Finally the update has succesfully installed. Thank your for all your contributions.

The main fix:

  • start laptop from recovery USB
  • choose advanced troubleshooting, command prompt
  • assigning a drive letter to the system reserved partition (so checkdisk could run on it), R: in my case:
    • "diskpart"
    • list volume
    • "select volume X" (select the volume that is shown as "system", with label ESP in my case, where X is the nr that you see when listing the volumes)
    • "assign letter=r"
    • "exit"
  • "chkdsk r: /f"

Then I did the following, although in the end I am not completely sure if these steps were totally neccesary after the above fix:

  • "bootrec /rebuildbcd"
  • "bootrec /fixboot"
  • "bcdboot c:\windows"

After that I let Win10 check for updates again and complete (and restart) again. Update installed succesfully in less than 5 minutes.

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Answer
Answer

When I try to activate ("active") the appropriate partition, I am getting this:

The selected disk is not a fixed MBR disk.

the ACTIVE command can only be used on fixed MBR disks.

I think you are getting confused by some quotes included to show "what doesn't work".  E.g. note that Kenneth mentioned that he had EFI too.

When I try the command "bootrec /rebuildbcd", I am getting this:

Successfully scanned Windows installations.

Total identified Windows installations: 0

I think that was mentioned somewhere in the other links or in some comments in the other links...

And did you notice Frank Work's comment "had to assign a drive letter and run chkdsk on the EFI partition before bootrec and bcdboot could complete properly."

Otherwise here is a suggestion from Andre Da Costa  to try renaming the BCD first

https://www.groovypost.com/howto/fix-windows-10-wont-boot-startup-repair-bootrec/ 

HTH

Robert
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Last updated February 19, 2020 Views 6,558 Applies to: