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Windows KB5121767 OOB update fixes shutdowns on some Dell PCs

BACKGROUND
1 SIGNALFIRST DETECTED 20 July 2026
Narrative synthesis pending — 1 signal collected.
How the story developed
Other feeds and industry voices
15 Jul
Microsoft: Some Dell PCs shut down after recent Windows updates

Microsoft is blocking this month's Windows 11 security updates on some Dell devices because they are causing shutdowns and performance issues. [...]

REPORT · WHAT · BleepingComputerOPEN STORY
13 Oct
Windows 11 KB5127648 & KB5126653 cumulative updates released

Microsoft has released the Patch Tuesday Windows 11 KB5127648 and KB5126653 cumulative updates for versions 26H2/25H2/24H2 and 23H2 to fix security vulnerabilities and bugs, and

REPORT · HOW · BleepingComputerOPEN STORY
14 Apr
Windows 11 cumulative updates KB5083769 & KB5082052 released

Microsoft has released Windows 11 KB5083769 and KB5082052 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. [...]

REPORT · WHAT · BleepingComputerOPEN STORY
15 Oct
Microsoft fixes bug causing Windows black screens, Explorer crashes

Microsoft has resolved a known issue that was causing black screens, desktop loading issues, and Explorer crashes after installing Windows 11 updates released since August. [...]

REPORT · WHAT · BleepingComputerOPEN STORY
15 Sept
The out-of-band update fixes Remote Desktop, USB audio, and Hyper-V issues. www.theverge.com/news/995302/...

The out-of-band update fixes Remote Desktop, USB audio, and Hyper-V issues. www.theverge.com/news/995302/...

OPINION · WHAT · The VergeOPEN STORY
Sources
BleepingComputer

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