2 specific updates are failing, the rest are good. sfc/scannow gives error, DISM /online /cleanup-image /RestoreHealth gives error

Question

last month I had these 2 updates repeatedly fail

1. 2024-08 Cumulative Update for Windows 11 Version 23H2 for x64-based Systems (KB5041585)
   1. Install error - 0x800705b9
2. 2024-08 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5042099)
   1. Install error - 0x800700c1

i ignored it for a month and now that i need by laptop to be updated for respondus lockdown browser i have decided to fix the problem.

ive tried. many things as follows with there error messages

1. sfc/scannow
   1. Windows Resource Protection could not start the repair service.
2. DISM /online /cleanup-image /RestoreHealth
   1. Deployment Image Servicing and Management tool Version: 10.0.22621.2792 Image Version: 10.0.22631.3155 [===========================84.9%================= ] [===========================86.7%================== ] [===========================88.7%=================== ] [===========================90.5%==================== ] [==========================100.0%==========================] Error: 0x800f081f The source files could not be found. Use the "Source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location, see https://go.microsoft.com/fwlink/?LinkId=243077. The DISM log file can be found at C:\windows\Logs\DISM\dism.log
3. Ive also tried doing a windows reset where only the windows reset but cloud download or local install dont work. the give an error as well. ive also tried factory reset both ways but both fail.
4. then i tried doing a windows repair but that also fails every time i try
5. following that i tried to do a windows reinstall from an online download
   1. itll get to 55% then quit the program and say error
6. i updated my bios and drivers but still no luck

i am stuck right now as i have ran out of ideas on how to fix this problem

if anybody has any ideas that i should try that would be awesome

ps. i got this laptop last year.

Answer 1

Hi,

Thank you for posting in Microsoft Q&A forum.

How do you install the KB5041585 and KB5042099, using SCCM/WSUS or manual installation? If you are manually install the updates, it is suggested to try to contact Windows forum to get accurate help. Here is the support link:

Windows 11 forum

Windows Community

Thanks for your time. Have a nice day!

Best regards,

Simon

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Answer 2

Use the source method as indicated in the error

DISM.exe /Online /Cleanup-Image /RestoreHealth /Source:wim:E:\Sources\Install.wim:1 /limitaccess