
Windows Security App Not Working After Update: Fixes
After a Windows update, the Windows Security app may fail to open, show a blank screen, or displa...
Software troubleshooting desk

After a Windows update, the Windows Security app may fail to open, show a blank screen, or displa...

If you see 'Connection refused' or 'Service not running' when opening Windows Security, the under...

When a service or application fails to start with a message like "port already in use" or "addres...

When Outlook shows a 'service unavailable' error, you usually cannot send or receive emails. This...

If Microsoft Teams fails to sync, shows login errors, or reports connection problems, a DNS sync ...

You open Windows Security and see an error that the service isn't running. Or you get a notificat...