Software troubleshooting desk

Practical fixes for tool errors, setup blocks, and workflow issues.

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

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 Redirect Loop After SSL Setup

You've set up SSL on your Nginx server, but now visitors get stuck in a redirect loop—HTTP→HT...

Fix Git 'fatal: refusing to merge unrelated histories' on GitHub

You try to merge two branches in Git, and get fatal: refusing to merge unrelated histories<...

Fix Nginx Configuration Test Failed on Ubuntu
When you run nginx -t on Ubuntu and get an error, Nginx won't reload or restart....

Fix npm run build Failed on Windows: Common Causes and Solutions
When you run npm run build on Windows and it fails, the error message can be cryptic...

Windows Security App Not Working After Reset? Try These Fixes
If you recently reset your Windows PC and now the Windows Security app won't open, shows a bl...


    Issue queue
Sitemap
Fix Cloudflare 522 Connection Timed Out Error
Resolving Python Package Version Conflicts
How to Configure Wildcard Subdomains in Cloudflare
How to Fix 'python' Command Not Found in VS Code
Docker Container Exits Immediately: 'Command Not Found' Error Fix
Fix ERR_NAME_NOT_RESOLVED Caused by Antivirus Block
Troubleshooting Cloudflare SSL Full Strict Errors
Resolve Node Sass Build Failure
How to Resolve Git Unrelated Histories Merge Conflict
Cloudflare DNS Propagation: How Long Does It Take?
Resolve Cloudflare 521 Error (Port 443 Blocked)
Edge Sync Not Syncing Passwords or Bookmarks: Fixes
Desk note

    Troubleshooting paths
Home
Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities