Microsoft
Microsoft confirms Windows activation failures after November updates
At a glance
Low rather than Medium: UK relevance is 40 of 100, little UK-specific signal so far.
Briefing
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Next steps
Monitor- For awareness — no fixed action deadline for this reporting
No technical write-up beyond the summary below yet.
Next steps
Monitor- No immediate technical action — track if your estate depends on the products or vendors discussed
Summary
- Microsoft has confirmed that this month's Patch Tuesday security updates are causing Windows activation and licensing failures with 0x80041008 error codes.
Read the original reportBleepingComputer(opens in a new tab)
Part of Microsoft confirms Windows activation failures after November updates
Pulse
Last change 57m ago · Next recheck 14 Nov 2026, 10:24 UK time
- Story13 Nov 2026, 10:24 UK time · 57m ago
Linked reporting from BleepingComputer (independent original reporting).
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Sources
- BleepingComputerNews
Microsoft confirms Windows activation failures after November updates
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
Microsoft confirms Windows activation failures after November updates
- ProbableSummary fact75% confidence
Microsoft has confirmed that this month's Patch Tuesday security updates are causing Windows activation and licensing failures with 0x80041008 error codes.