Whereas Patch Tuesdays carry necessary safety updates for the Home windows OS, they’ll usually introduce main bugs. The one this month on Home windows 10, KB5058379, that launched a BitLocker restoration reboot bug, has now been resolved with KB5061768 OOB replace. Alongside that, Microsoft additionally resolved a Home windows 11 24H2 improve bug associated to VBS with a Restoration replace KB5059442.

Talking of Home windows 11, customers are reporting set up failures with the Home windows 11 Could 2025 Patch Tuesday replace KB5058411 as nicely. Affected customers say that these are failing with varied error codes like 0x800f0991, 0x800f0991, 0x800f0838, 0x800736b3, and 0x800f081f.

Person Shukang Liang on the Microsoft assist boards writes: “Drawback with home windows replace KB5058411 Set up fails and error code 0x800f0991 comes up.” The question has been upvoted by 33 different customers on the time of writing.

One other person PaulK671 notes 0x800736b3 and 0x800f081f errors as they write:

Error 0x800736b3 and 0x800f0838 when putting in KB5058411 (Home windows 11 24H2 x64 replace)

Hiya group,

I’m experiencing a persistent difficulty when making an attempt to put in the KB5058411 cumulative replace for Home windows 11 Model 24H2 (x64), launched on Could 13, 2025 (OS Construct 26100.4061).

Preliminary signs:

• Home windows Replace stalls at 6% obtain.
• Then returns error 0x800f081f.
• After manually downloading and executing the .msu file from the Microsoft Replace Catalog, I get error 0x800f0838.
• The CBS logs and Occasion Viewer additionally present error 0x800736b3.

The thread has been upvoted by 19 individuals on the time of writing.

In the meantime, person Jenny-XS says they got here throughout the 0x800f081f error code when making an attempt to put in the Could ’25 Patch Tuesday.

Microsoft lately revealed a assist article with a protracted record of Home windows 11 and 10 hex error codes that result in set up failures. Sadly, although, not one of the codes reported by customers match with those Microsoft has offered workarounds for.

Thus, it seems like Microsoft should replace its record sooner slightly than later as clearly many hex error codes are nonetheless pending and are due for addition to its assist documentation.

Apparently, one of many commenters on the 0x800f0991 error thread, ScotBirch, added that they have been capable of resolve the difficulty utilizing the “Repair issues utilizing Home windows Replace” choice. Microsoft had detailed what that’s and the way it works again in December 2024. You may learn the linked article to seek out out extra and see if maybe it fixes your points too.