
Fix Windows Defender Can't Connect After Update
After a Windows update, you might see an error that Windows Defender can't connect to the service...
Software troubleshooting desk

After a Windows update, you might see an error that Windows Defender can't connect to the service...

When you see 'BitLocker service unavailable' or 'The BitLocker service is not available' on Windo...

When you see "port in use by another process" in Windows Terminal, it means the port you're tryin...

After changing your password, OneDrive may fail to authenticate, showing errors like 'Authenticat...

You run ipconfig /flushdns or arp -d in Command Prompt, but cached entr...

If Outlook for Mac refuses to open—crashes on launch, shows a beachball, or simply disappears—you...