Fix 'Windows Defender Firewall Has Blocked' Error
You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Backup and Restore Permission Denied Error
You try to run Windows Backup and Restore, but get a "permission denied" error. This usually mean...
Fix Microsoft Store Not Downloading Apps on Windows 11
You open Microsoft Store on Windows 11, click download, and nothing happens—or the download start...
Fix Windows Search Dependency Conflict After Update
After a Windows update, you might find the search bar stops working, returns no results, or shows...
Fix pgAdmin Server Connection Failed: Permission Denied
When you try to connect to a PostgreSQL server from pgAdmin and get a 'permission denied'...
Windows Terminal Command Not Found: Troubleshooting Checklist
You type a command in Windows Terminal and get 'commandname' is not recognized as an intern...
Topic paths
Quick titles
Fix Chrome Extensions Not Loading: Error Message GuideWindows Security Port Allocation Error FixHow to Fix Windows Update 404 Not Found ErrorHow to Fix Windows Defender Stuck on Black ScreenResolve Windows Search Access Denied Registry IssueHow to Fix Invalid Configuration in Command PromptMicrosoft Store App Installation Dependency Error FixHow to Fix SSH Connection Refused in Windows Terminal