Windows Security App Not Working After Update: Fixes
After a Windows update, the Windows Security app may fail to open, show a blank window, or displa...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows 11 Installation Assistant Stuck at 99% SFC Scan
You're upgrading to Windows 11 using the Installation Assistant, and it hangs at 99% while ru...
How to Set Up a Wildcard Subdomain DNS Record in Cloudflare
If you need all subdomains (e.g., *.example.com) to point to the same IP or service, a wildcard D...
VSCode Terminal Not Opening After Extension Install: Fix
You install a new extension in Visual Studio Code, restart or reload, and then the terminal panel...
Git index.lock File Exists Even After Deleting: Fixes
You delete the .git/index.lock file, but Git still says it exists. This can happen d...
Fix Nginx 502 Bad Gateway on Docker Ubuntu
You're running Nginx as a reverse proxy inside Docker on Ubuntu, and suddenly you see
Issue queue
SitemapHow to Fix 'Permission Denied' When Using pip in Docker
Fix 'fatal: refusing to merge unrelated histories' in Git
Windows 10 Real-Time Protection Not Turning On? Try These Fixes
How to Make Python Work in Command Prompt from Anaconda
Fix 'Permission Denied' When Activating Python venv
Non Fast Forward Error Troubleshooting
Chrome Status Access Violation: Fixing Extension Conflicts
Docker Compose Build: Environment Variables Not Set
Resolve Windows Update Service Hanging on Stopping
Remote Desktop Firewall Blocking: Troubleshooting Guide
Restore IntelliSense in Visual Studio Code
How to Restore Missing Taskbar Icons Windows 10
Fix 'fatal: refusing to merge unrelated histories' in Git
Windows 10 Real-Time Protection Not Turning On? Try These Fixes
How to Make Python Work in Command Prompt from Anaconda
Fix 'Permission Denied' When Activating Python venv
Non Fast Forward Error Troubleshooting
Chrome Status Access Violation: Fixing Extension Conflicts
Docker Compose Build: Environment Variables Not Set
Resolve Windows Update Service Hanging on Stopping
Remote Desktop Firewall Blocking: Troubleshooting Guide
Restore IntelliSense in Visual Studio Code
How to Restore Missing Taskbar Icons Windows 10