Reports of Windows 11 November security update KB5132061 installation failures increase, users encounter 0x800f0993 error
Microsoft released the Windows 11 November Patch Tuesday security update KB5132061 on November 10, 2026, for all editions of 26H2 and 25H2, as well as the enterprise and education editions of 24H2, after which they were updated to build 26300.9974, 26200.9974 and 26100.9974, respectively.
After the release, multiple users reported download or installation failures, with error codes including 0x800f0993, 0x800f0989 and 0x80070306. Related reports appeared on Reddit, in Neowin user feedback, and on Microsoft Q&A pages. Microsoft has not currently listed this as a known issue for KB5132061.
The 0x800f0993 error had also appeared in other cumulative updates before, and in some cases was related to corruption in the component store. Some users resolved the issue by running DISM and SFC commands and then trying again; it was also suggested to use the Windows Update troubleshooter or manually install from the Update Catalog.
Original source:
Title: Windows 11 KB5132061 not downloading and installing with 0x80070306, 0x800f0993, and 0x800f0989 errors, temporary fix available Publisher: WindowsReport Publication date: 2026-11-11 URL: https://windowsreport.com/windows-11-kb5132061-not-downloading-and-installing-with-0x80070306-0x800f0993-and-0x800f0989-errors-temporary-fix-available/ Source nature: technology media compiling user reports Verification status: Read in this instance; consistent with Neowin, Microsoft Q&A and multiple reports Supporting content: Supports user reports that errors such as 0x800f0993 appeared after KB5132061 was released, and that Microsoft has not listed it as a known issue
ABAB AI Insight
This issue is a user-side installation failure report, not a widely recognized known issue confirmed by Microsoft. The 0x800f0993 error has also appeared in past Windows 11 cumulative updates, and is often related to the state of the system component store rather than the content of a single patch.
At present, there is no official data on the impact scope or formal remediation guidance. Temporary workarounds include system file repair commands and resetting update components, but the success rate varies by device. It is advisable to follow Microsoft’s update history page or release health page to see whether a known issue entry is added later.
ABAB News · Cognitive Law
User reports and the official known issues list should be viewed separately.
The same error code may recur in different updates and is often related to device state.
Failure to install a security update does not affect the already installed system, but it delays access to the new fixes.