Fix 'Windows Defender Firewall Has Blocked' Error
You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Task Scheduler Permission Denied Error in Ubuntu
You schedule a task using cron or systemd timers in Ubuntu, but the job fails with a 'permission ...
Fix Remote Desktop Blank or Black Screen on Windows 10
When you connect to a Windows 10 machine via Remote Desktop and see only a black or blank screen,...
How to Fix PowerShell Not Opening on Windows 10
You click the PowerShell icon or type 'powershell' in the Start menu, but nothing happens—no wind...
Firefox Profile Missing Troubleshooting Checklist
When Firefox starts but shows none of your bookmarks, passwords, or extensions, the profile may b...
OpenVPN Connection Failed Exit Code 1: Practical Fixes
When OpenVPN fails with exit code 1, it usually means the client process started but encountered ...
Issue queue
SitemapFixing Cloudflare Full Strict SSL Errors
Troubleshooting Nginx server_name directive error
Fix BitLocker 504 Gateway Timeout Error – Practical Steps
Windows Terminal Connection Refused Fix
Fix Command Prompt 502 Bad Gateway Due to DNS Issues
How to Install Windows Terminal Without Conflicts
How to Fix SearchIndexer.exe Memory Leak
How to Stop Windows Defender Crashing on Windows 11
How to Fix Expired Profile Token in Chrome
Fixing Conda Base Environment Not Activating Automatically
Windows Defender 404 Not Found Troubleshooting
How to Resolve Cloudflare Tunnel DNS Problems
Troubleshooting Nginx server_name directive error
Fix BitLocker 504 Gateway Timeout Error – Practical Steps
Windows Terminal Connection Refused Fix
Fix Command Prompt 502 Bad Gateway Due to DNS Issues
How to Install Windows Terminal Without Conflicts
How to Fix SearchIndexer.exe Memory Leak
How to Stop Windows Defender Crashing on Windows 11
How to Fix Expired Profile Token in Chrome
Fixing Conda Base Environment Not Activating Automatically
Windows Defender 404 Not Found Troubleshooting
How to Resolve Cloudflare Tunnel DNS Problems