Fix ERR_CERT_AUTHORITY_INVALID on Localhost
When testing a local web app, you may see ERR_CERT_AUTHORITY_INVALID in Chrome or si...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesChrome Sync Not Working After Clearing Cache: Fixes
Clearing Chrome’s cache is a common fix for slow browsing or display issues, but sometimes it als...
How to Fix Git Clone Timeout on Slow Internet
If you're seeing fatal: unable to access 'https://...' : Failed to connect ...:...
Git Clone Connection Timed Out: Troubleshooting Checklist
When you run git clone and get a connection timed out error, the cl...
How to Reset Windows Search Index (Step by Step)
If Windows Search stops finding your files, returns old results, or uses high CPU, the search ind...
How to Fix Git 'index.lock' File Exists Error
When you see fatal: Unable to create 'path/.git/index.lock': File exists., G...
Issue queue
SitemapFix Windows Search Indexing Permission Denied Error
Git Unrelated Histories: Merge or Rebase?
Cloudflare 522 Error: A Practical Troubleshooting Guide
How to Get Python venv Working in VS Code Terminal
Fix npm run build Failed with PostCSS Error
Cloudflare DNS Not Updating? Fix Stuck Propagation
Chrome Extensions Grayed Out: Fixes That Work
How to Debug Docker Build Context Canceled
Docker Compose Build: Environment Variables Not Set
Windows 11 WiFi Connected No Internet IPv4 Fix
Manual index.lock Deletion in Git
Cloudflare Origin Certificate Not Working After Renewal: Fixes
Git Unrelated Histories: Merge or Rebase?
Cloudflare 522 Error: A Practical Troubleshooting Guide
How to Get Python venv Working in VS Code Terminal
Fix npm run build Failed with PostCSS Error
Cloudflare DNS Not Updating? Fix Stuck Propagation
Chrome Extensions Grayed Out: Fixes That Work
How to Debug Docker Build Context Canceled
Docker Compose Build: Environment Variables Not Set
Windows 11 WiFi Connected No Internet IPv4 Fix
Manual index.lock Deletion in Git
Cloudflare Origin Certificate Not Working After Renewal: Fixes