Press Alt + F4 to close the active window
Press Ctrl + Shift + Esc to open Task Manager
Select the unresponsive app
Click End task
Press Ctrl + Alt + Delete and choose Task Manager
Right-click the taskbar and open Task Manager
Use Alt + Tab to switch to the frozen app before closing it
Open Command Prompt as administrator
Run taskkill /f /im appname.exe
Run taskkill /f /pid PID_NUMBER
Use Windows PowerShell as administrator
Run Stop-Process -Name “appname” -Force
Run Stop-Process -Id PID_NUMBER -Force
Restart Windows if the app cannot be closed normally