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 listMicrosoft Store Authentication Failed After Update: Fixes
After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...
Fix Chrome Profile Not Loading Due to 504 Error
You try to open Chrome and it stalls, showing a 504 Gateway Timeout error when loading your profi...
How to Troubleshoot 404 Not Found Errors in Command Prompt
Seeing a "404 Not Found" error in Command Prompt usually means the system can't locate a file, co...
How to Run Command Prompt as Administrator for Setup Tasks
Many setup tasks—installing software, configuring system services, or modifying protected files—r...
Fix Maven Dependency Resolution Failed in Offline Mode
If you see Failed to resolve dependency when Maven runs in offline mode (-o
Topic paths
Quick titles
Chrome Path Not Found Error Fix GuideHow to Fix OneDrive Proxy Error After UpdateWindows Search SharePoint Connection TroubleshootingHow to Fix Windows Search Log Permission IssueHow to Resolve GitLab Runner Pending IssueHow to Resolve KMS Server 504 TimeoutTroubleshoot OneDrive Sync Failure: Firewall and Network IssuesFix Microsoft Store Errors by Resetting Cache