Microsoft’s February 10, 2026, Patch Tuesday cumulative replace KB5077181 for Home windows 11 is being linked to extreme boot failures on some units, with customers reporting techniques that restart repeatedly and by no means attain the desktop.
The problem is primarily mentioned throughout group threads, together with a Reddit put up describing greater than 15 reboot cycles after set up, successfully locking customers out of Home windows periods.
The replace targets Home windows 11 model 24H2 (OS construct 26200.7840) and 25H2 (OS construct 26100.7840) and consists of each safety fixes and high quality enhancements carried ahead from earlier releases comparable to KB5074109.
Replace Triggers Infinite Restart Loop
Cybersecuriynews reviews point out affected machines fail shortly after the replace completes, then enter an “infinite restart loop.”
Some customers who briefly regain entry describe login-time errors tied to System Occasion Notification Service (SENS), together with messages like “a specified process couldn’t be discovered,” plus DHCP-related failures that may break web connectivity even when the community seems linked.
Different circumstances point out set up failures with error codes 0x800f0983 and 0x800f0991, suggesting the issue could fluctuate by {hardware}, drivers, or servicing stack situations.
KB5077181 arrives as a part of Microsoft’s broader February 2026 safety launch, which reportedly addresses 58 vulnerabilities throughout Home windows parts, together with six zero-days described as actively exploited and referenced by CISA’s Identified Exploited Vulnerabilities catalog.
Whereas Microsoft’s launch notes emphasize safety hardening, customers say the soundness influence is quick and disruptive.
The replace additionally introduces new Safe Boot certificates forward of older 2011 certificates expirations anticipated in June 2026, a change supposed to strengthen boot integrity, alongside fixes for gaming eligibility checks and WPA3 Wi‑Fi connectivity.
| CVE ID | CVSS Rating | Description |
|---|---|---|
| CVE-2026-21510 | Not offered | Home windows Shell safety function bypass permitting SmartScreen evasion by way of malicious hyperlinks |
| CVE-2026-21519 | Not offered | Desktop Window Supervisor elevation of privilege to SYSTEM stage |
| CVE-2026-21533 | Not offered | Home windows Distant Desktop Companies elevation of privilege; exploited zero-day |
| CVE-2026-20841 | Not offered | Notepad distant code execution by way of crafted Markdown recordsdata |
Workarounds and steering
As of February 15, Microsoft’s launch web page and well being dashboard discussions present no broadly revealed “recognized problem” entry for a restart-loop regression, whilst discussion board reviews accumulate.
For those who can nonetheless attain the desktop, customers suggest uninstalling KB5077181 by way of Management Panel → Packages and Options → View put in updates, then pausing Home windows Replace to stop quick reinstallation.
If the system can not boot usually, use Home windows Restoration Setting (set off by interrupting boot thrice or utilizing set up media), then open Command Immediate and run:
textual contentwusa /uninstall /kb:5077181 /quiet /norestart
After restoration, run sfc /scannow to restore system recordsdata if Home windows hundreds inconsistently.
For enterprises, stage deployment by way of WSUS or rings, validate on consultant {hardware}, and monitor replace compliance and boot well being earlier than broad rollout.
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