Often, Windows mistakenly believes a background application is requiring focus attention. Editing the registry can force the switch:
Before applying remediation, it is necessary to isolate the specific variable causing the failure. alt tab not working windows 11
An Analysis of Input Interception Failures: Troubleshooting the Alt + Tab Dysfunction in Windows 11 Date: October 26, 2023 Subject: Operating System Stability / User Interface Management alt tab not working windows 11
Corrupted video drivers are the most common cause in Windows 11. alt tab not working windows 11
If the issue is caused by a temporary glitch in the Desktop Window Manager: