Knowledge base for software setup, errors, and daily tool work.

Fix ERR_CERT_AUTHORITY_INVALID on Localhost

When testing a local web app, you may see ERR_CERT_AUTHORITY_INVALID in Chrome or si...

Fix 'python command not found' on Windows with Python Installed

You installed Python on Windows, but when you type python --version in Command Promp...

Fix pnpm install ETIMEDOUT Errors: Network & Config Checks

When you run pnpm install and it fails with ETIMEDOUT, it usually means...

Fix DNS Probe Finished NXDOMAIN Error in Windows 10

When you see "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome or other browsers, it means the DNS ...

Fix npm install Permission Denied After Node Update