Windows Security App Not Opening on Windows 10: Fixes That Work
When you click the Windows Security icon in the Start menu or taskbar and nothing happens, it’s u...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Git 'index.lock' File Exists Error
When you see fatal: Unable to create 'path/.git/index.lock': File exists., G...
Fix 'git remote origin already exists' Error in GitLab
When you try to add a GitLab remote to an existing Git repository, you might see the error:
VSCode Python Debugger Breakpoint Not Stopping: Fixes
You set a breakpoint in VSCode, start debugging, and execution passes right through it. The debug...
Docker Container Exits Immediately on Windows: How to Fix
You start a Docker container on Windows, and it stops within seconds. The container exits immedia...
Docker Container Exits Immediately in Foreground Mode: Fixes
You run a Docker container with docker run -it myimage and it exits immediately. The...
Issue queue
SitemapFix Windows Update Error 0x800f081f with Media Creation Tool
VSCode Source Control Not Showing Changes Fix
Chrome Certificate Authority Invalid: Fix Checklist
How to Stop Windows Explorer From Restarting After Crash
Chrome ERR_CONNECTION_RESET After Router Reboot Fix
Troubleshooting Docker Pull Credential Errors
Docker Compose Port Mapping Troubleshooting
Explorer.exe Restart Loop: Windows 10 Troubleshooting Guide
How to Fix VS Code Source Control on Ubuntu
Nginx Config Test Permission Denied Fix
Troubleshooting Cloudflare SSL Full Strict Errors
Troubleshooting DNS Probe NXDOMAIN VPN Issue
VSCode Source Control Not Showing Changes Fix
Chrome Certificate Authority Invalid: Fix Checklist
How to Stop Windows Explorer From Restarting After Crash
Chrome ERR_CONNECTION_RESET After Router Reboot Fix
Troubleshooting Docker Pull Credential Errors
Docker Compose Port Mapping Troubleshooting
Explorer.exe Restart Loop: Windows 10 Troubleshooting Guide
How to Fix VS Code Source Control on Ubuntu
Nginx Config Test Permission Denied Fix
Troubleshooting Cloudflare SSL Full Strict Errors
Troubleshooting DNS Probe NXDOMAIN VPN Issue