Recently, some users have reported that their USB devices stopped working properly after installing the Windows 11 update KB5050009. Based on the currently available information, this issue does appear to be related to the update, and Microsoft has addressed it in the subsequent KB5051987 release. However, it is still unclear whether this fix covers all the USB-related problems users may be experiencing.
KB5050009: Update Potentially Affecting USB Devices
Released on January 14, 2025, KB5050009 is a cumulative update for Windows 11 (OS Build 26100.2894). According to the official support page, this update mainly includes security and performance improvements. However, it does not explicitly mention any impact on USB functionality. Despite that, multiple users have experienced issues with USB devices such as flash drives, keyboards, and mice not being recognized or functioning correctly after installing this update.
KB5051987: Fixes Introduced in the Follow-Up Update
On February 11, 2025, Microsoft released KB5051987 (OS Build 26100.3194). According to the release notes, one of the fixes addresses USB device compatibility issues introduced in KB5050009. This suggests that if your USB issues started after that earlier update, installing KB5051987 should resolve them.
Recommended Actions
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Check Your Current Windows Update Version
Go to Settings > Windows Update > Update history to see whether KB5051987 has been installed. -
If Not Yet Installed, Check for Updates Manually
If your system is still on KB5050009, you can go to Settings > Windows Update and manually check for updates to install the latest version. -
If You’re Experiencing USB Issues and Haven’t Updated Yet
Consider uninstalling KB5050009 (if KB5051987 isn’t installed yet) or using a restore point, then proceed to install KB5051987 afterward.
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