Hello iOmni,
I'm John an Independent Advisor and a Microsoft user like you. I'll be happy to assist you today. I understand you have a problem with Microsoft Apps Stopped Working. Have you made any changes recently? When was the last time it worked properly? What is your current Windows version and edition? Press Start then click Settings(Gear icon), select System then About.
Please try the suggested methods below.
**Run the Windows Store apps troubleshooter
Press Start then click Settings(Gear icon)
Select Update and Security > Troubleshoot
Click Additional troubleshooters if available
Under Find and Fix other problems, click Windows Store Apps
Run the troubleshooter
**Re-register built-in apps via Powershell
Windows key+X then select Windows Powershell (Admin)
copy paste the command then press Enter. Please ignore the red errors and let the process complete.
Get-AppXPackage | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
Restart your Computer
**Please try creating a new local administrator account then check if the issue still persists.
https://support.microsoft.com/en-us/windows/cre...
Kindly let me know if this helps or if you have any further concerns.
Sincerely,
John DeV
Independent Advisor