npm run build Failed: Troubleshooting Checklist
When npm run build fails, the error message can be cryptic. This checklist walks thr...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Firefox Secure Connection Failed Error (Mozilla)
When Firefox shows 'Secure Connection Failed' and a message like MOZILLA_PKIX_ERROR_<...
Windows 11 Update Blue Screen Error Code: How to Fix
If you see a blue screen with an error code after applying a Windows 11 update, you're not al...
How to Fix Cloudflare Error 522 Connection Timed Out
Error 522 appears when Cloudflare can connect to your origin server but the server doesn't re...
Fix ERR_CERT_AUTHORITY_INVALID in Chrome Incognito Mode
You open Chrome incognito and hit a warning: NET::ERR_CERT_AUTHORITY_INVALID. Th...
Windows 11 WiFi Has Internet but Other Devices Work Fine
You're connected to WiFi on your Windows 11 PC, but the network icon shows 'No internet&#...
Issue queue
SitemapRecover from Git Detached HEAD with Reset Hard
How to Fix Docker 'Context Canceled' Build Error
How to Fix Git SSL Certificate Error Behind Corporate Proxy
Fix 'Permission Denied' in VS Code Terminal for Python
Troubleshooting pnpm Stuck on Resolving Dependencies
How to Solve Node.js Heap Out of Memory in React Builds
How to Fix ERR_CONNECTION_RESET in Chrome on Mac
Fix Node.js Heap Out of Memory: Practical Steps
Fix Git Changes Not Detected in VS Code Workspace
Fix Git Authentication Failed in VS Code on Mac
pnpm Cache Cleanup: When and How
Git Merge Refusal: Unrelated Histories Fix
How to Fix Docker 'Context Canceled' Build Error
How to Fix Git SSL Certificate Error Behind Corporate Proxy
Fix 'Permission Denied' in VS Code Terminal for Python
Troubleshooting pnpm Stuck on Resolving Dependencies
How to Solve Node.js Heap Out of Memory in React Builds
How to Fix ERR_CONNECTION_RESET in Chrome on Mac
Fix Node.js Heap Out of Memory: Practical Steps
Fix Git Changes Not Detected in VS Code Workspace
Fix Git Authentication Failed in VS Code on Mac
pnpm Cache Cleanup: When and How
Git Merge Refusal: Unrelated Histories Fix