Fix Windows Defender Connection Refused Error 0x80070005
When you open Windows Defender (Microsoft Defender Antivirus) and see a connection refused error ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Microsoft Store Loading Forever on Windows 10
You click the Microsoft Store icon, but instead of the app opening, you see a spinning circle or ...
How to Fix systemd Service Restarting Repeatedly Error
If you see a systemd service restarting over and over, the symptom is usually something like
Microsoft Teams Screen Sharing Not Working on Mac: Fixes
You're in a meeting, click the share button, and nothing happens—or your screen shows a black box...
Fix Windows Activation Service High RAM Usage
If you notice high RAM usage from the Windows Activation service (sppsvc.exe) in Task Manager, it...
Enable Microsoft Store to Run at Boot in Windows 10
If you want the Microsoft Store to launch automatically every time you start Windows 10, you can ...
Topic paths
Quick titles
How to Fix Permission Denied in Microsoft Store on Windows 11Windows Update Causing Search 502 Error – SolutionsMicrosoft Teams cxa20001 Troubleshooting GuideWhy Teams Blocks Your File Upload and How to Resolve ItTroubleshoot Microsoft Store Access Denied in Windows 10Troubleshoot Missing Security Center in WindowsFix Microsoft Store Login Loop Windows 10SSH Host Key Verification Failed Linux Troubleshooting