[SOLVED] Cannot uninstall Windows Update KB4549951, error code 0x800f0905

[t0xic.egg]

Hello-

I've been trying all day to uninstall Windows Update KB4549951, as my computer has slowed down since its installation. When I try to uninstall it normally through Control Panel, it tells me "An error has occurred. Not all of the updates were successfully uninstalled". When I try through Command Prompt with the command "wusa /uninstall /kb:4549951" it gives me the error code in the title, 0x800f0905. I've tried uninstalling in Safe Mode, restarting my computer countless times, resetting Windows Update, and more, but nothing can get the update to uninstall. If anyone has any advice, I would greatly appreciate it.

PC Specs:
Windows 10 Home Build 18363.778
i7-6700 CPU
NVIDIA GTX 1080 GPU
16 GB RAM

 

[Colif]

If this had happened a few weeks ago, it would be easy fix...

Do you happen to have an installer for that build of win 10? You are on 1909

As Version 2004 is current version of the ISO on the Microsoft website and 1 fix I could perhaps offer relies on having an ISO of the version currently installed.

it would be a repair install - https://www.tenforums.com/tutorials/16397-repair-install-windows-10-place-upgrade.html


Another option is instead of trying to go backwards, download the Windows 10 media creation tool and use it to make a win 10 installer on USB (possibly on another working PC) and once its created, put it into current PC and navigate to the USB in file exploder and run setup.exe and get it to upgrade PC to 2004.

Version updates replace the entire install so might fix the slowdown you have.