Windows Update - Error 0x800f081f

Hi!

I'm trying to install the update 2025-03 Cumulative Update for Windows 11 Version 24H2 for arm64-based Systems (KB5053598), but I'm getting
the error 0x800f081f.
I've run the Tuneup_plus_log.bat file as well - This is the result
Microsoft Windows 11 Enterprise Version 24H2 (OS Build 26100.3476)

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Started on Sat 03/15/2025 at 23:54:12.12

[SFC /ScanNow]

Beginning system scan. This process will take some time.

Results:

Windows Resource Protection did not find any integrity violations.

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Started on Sat 03/15/2025 at 23:55:14.66

[DISM /online /cleanup-image /ScanHealth]

Deployment Image Servicing and Management tool
Version: 10.0.26100.1

Image Version: 10.0.26100.3476

No component store corruption detected.

The operation completed successfully.

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Started on Sat 03/15/2025 at 23:55:43.47

[DISM /online /cleanup-image /RestoreHealth]

Deployment Image Servicing and Management tool
Version: 10.0.26100.1

Image Version: 10.0.26100.3476

The restore operation completed successfully.

The operation completed successfully.

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The second "SFC /ScanNow" was skipped, as the first output the following:

Windows Resource Protection did not find any integrity violations.

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Started on Sat 03/15/2025 at 23:56:08.20

[ChkDsk /Scan]

The type of the file system is NTFS.
Volume label is Windows.

Stage 1: Examining basic file system structure ...
1274880 file records processed.
File verification completed.
Phase duration (File record verification): 7.34 seconds.
75450 large file records processed.
Phase duration (Orphan file record recovery): 34.74 milliseconds.
0 bad file records processed.
Phase duration (Bad file record checking): 0.03 milliseconds.

Stage 2: Examining file name linkage ...
51071 reparse records processed.
1441396 index entries processed.
Index verification completed.
Phase duration (Index verification): 5.77 seconds.
0 unindexed files scanned.
Phase duration (Orphan reconnection): 662.33 milliseconds.
0 unindexed files recovered to lost and found.
Phase duration (Orphan recovery to lost and found): 0.09 milliseconds.
51071 reparse records processed.
Phase duration (Reparse point and Object ID verification): 84.97 milliseconds.

Stage 3: Examining security descriptors ...
Security descriptor verification completed.
Phase duration (Security descriptor verification): 40.78 milliseconds.
83259 data files processed.
Phase duration (Data attribute verification): 0.04 milliseconds.
CHKDSK is verifying Usn Journal...
34153536 USN bytes processed.
Usn Journal verification completed.
Phase duration (USN journal verification): 75.26 milliseconds.

Windows has scanned the file system and found no problems.

No further action is required.

997872639 KB total disk space.
123361496 KB in 351824 files.
277656 KB in 83260 indexes.
0 KB in bad sectors.
1513919 KB in use by the system.
65536 KB occupied by the log file.
872719568 KB available on disk.

4096 bytes in each allocation unit.
249468159 total allocation units on disk.
218179892 allocation units available on disk.
Total duration: 14.02 seconds (14022 ms).

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Started on Sat 03/15/2025 at 23:56:32.67


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[Set AutoReboot = False]

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[Set DebugInfoType = 7]

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[WMIC PageFile list]


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[Set AutomaticManagedPagefile = True]

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[BcdEdit /enum {badmemory}]

RAM Defects
-----------
identifier {badmemory}
isolatedcontext Yes

==================================================================

Finished on Sat 03/15/2025 at 23:56:35.30
It took 2 minutes and 24 seconds to complete the operations.


Can someone assist me on what to do to get this update installed?

Kind Regards,
Jørgen

You could try this:


Failing that you could also try a repair upgrade


Or you could read the many threads related to the same error:

Welcome, by the way.

I believe there are steps you can take to install this manually. Here is the update thread for that Windows Update:

here is the download link to MS catalogue for KB5053598

best of luck, Steve ..

See what the troubleshooter says.
Settings>System>troubleshoot>other troubleshooters>windows update>run

Otherwise, try @antspants suggestions, specifically the repair install.