Microsoft's April 2026 Patch Tuesday update, KB5083769, has caused significant boot issues for Windows 11 users on versions 24H2 and 25H2. Users reported problems such as distorted visuals and the Blue Screen of Death after restarting post-update. The issue affects various hardware configurations, including HP and Dell systems. Additionally, the update may trigger BitLocker recovery on some systems, complicating recovery for users without their recovery key. Users have also experienced an increase in the number of restarts required during installation. Microsoft has not yet provided an emergency fix. Affected users are advised to use the Windows Recovery Environment for troubleshooting, including System Restore and Startup Repair. To check if KB5083769 is installed, users can go to Settings → Windows Update → Update history, and if present, it is recommended to uninstall it and pause updates.