Action Center Won't Open

Try opening it with Windows+A
Open Task Manager
- Kill the Windows Explorer process, the restart it by running explorer.exe from the run menu
- Try opening the Action Center
Open command prompt as administrator
- Run: sfc /scannow
- Run: DISM.exe /Online /Cleanup-image /Restorehealth
- Reboot and retry
Open Powershell as administrator
- Run the following command:
- Get-AppXPackage -AllUsers |Where-Object {$_.InstallLocation -like “*SystemApps*”} | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}
- Reboot and retry