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 ERR_CONNECTION_RESET in Chrome on Windows 10
If you see ERR_CONNECTION_RESET in Chrome on Windows 10, it means the TCP connec...
How to Fix 'Remote Desktop Credentials Did Not Work'
When you try to connect to a remote PC via Remote Desktop and see 'Your credentials did not w...
How to Fix WiFi Connected but No Internet on Windows 11
You see the WiFi icon connected, but websites won't load, and apps report no internet. This i...
Fix Git index.lock File Exists Permission Denied Error
You're in the middle of a Git operation and suddenly you see:
fatal: Unable to ...Fix git index.lock File Exists Error on Windows
If you see fatal: Unable to create 'index.lock': File exists. when running G...
Issue queue
SitemapFix 'Permission Denied' When Deleting Files in VS Code
Conda Permission Denied on Package Install
Troubleshoot Nginx Access Denied for Mounted Filesystem
Fix Firefox Secure Connection Failed After Update
How to fix ESLint errors blocking npm run build
Fix Windows 11 WiFi with Internet but No Network Access
Fix ERR_NAME_NOT_RESOLVED in Chrome with Google DNS
Git Push Rejected Non-Fast-Forward Fix
How to Fix pip Permission Denied on Ubuntu
Resolving Pip Externally Managed Environment Error
Windows Cannot Access Samba Shared Folder – Resolved
Resolving Node Version Conflicts with Global npm Packages
Conda Permission Denied on Package Install
Troubleshoot Nginx Access Denied for Mounted Filesystem
Fix Firefox Secure Connection Failed After Update
How to fix ESLint errors blocking npm run build
Fix Windows 11 WiFi with Internet but No Network Access
Fix ERR_NAME_NOT_RESOLVED in Chrome with Google DNS
Git Push Rejected Non-Fast-Forward Fix
How to Fix pip Permission Denied on Ubuntu
Resolving Pip Externally Managed Environment Error
Windows Cannot Access Samba Shared Folder – Resolved
Resolving Node Version Conflicts with Global npm Packages