
Fix Windows Defender Connection Refused Error 0x80070005
When you open Windows Defender (Microsoft Defender Antivirus) and see a connection refused error ...

When you open Windows Defender (Microsoft Defender Antivirus) and see a connection refused error ...

When you connect to a remote desktop and see a certificate error, the connection may still work, ...

You open Outlook and see an error: "Cannot connect to server" or "Disconnected"...

If you see "authentication failed" in Outlook and modern authentication is disabled, the issue us...

If you see an error message saying Windows Security has a version mismatch, or the Security Cente...

If you've opened Windows Security and found that your virus and threat protection settings aren't...