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

Fix Git 'index.lock file exists' Error

If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...

Fix Windows Update Error 0x80070002 by Resetting SoftwareDistribution Folder

Windows Update error 0x80070002 often appears when the system cannot find or access the update fi...

Fixing Nginx 502 Bad Gateway in Docker Networks

You have an Nginx container proxying requests to another container (like a PHP-FPM or Node app), ...

Fix Docker Volume Permission Denied for Postgres

Fix Node Version Incompatible with Dependencies

You run npm install and see errors like Unsupported engine or req...