Microsoft investigating Windows 10 KB4549951 BSOD reports

Bleeping Computer

Microsoft is investigating Bluetooth issues, failures to install, and blue screen reports received from users who have installed or attempted to install the KB4549951 cumulative update released during this month’s Patch Tuesday.

KB4549951 provides customers with security fixes for devices running Windows 10, version 1909, and Windows 10, version 1903, and it can be installed automatically by checking for updates via Windows Update or manually from the Microsoft Update Catalog.

Windows admins can also distribute the update to users via Windows Server Update Services (WSUS). Customers who have automatic updates enabled don’t need to take any further actions.

As we have reported last week, users are reporting a wide assortment of issues when installing and after deploying KB4549951, ranging from blue screens of death (BSODs), failures to install, networking issues, display issues, and system freezes when trying to use streaming services.

Others are saying that their Windows 10 installation is completely broken with their devices being unable to boot again after installing the KB4549951 update.

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