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

Checklist for Pushing Large Files with Git

You've likely hit this: you try to push a commit, and Git rejects it because a file is too la...

Fix Python Permission Denied on pip install --no-cache-dir

You try to install a Python package with pip install --no-cache-dir somepackage and ...

Fix Windows Defender Real-Time Protection Permission Denied

When you try to turn on or off Windows Defender real-time protection, you might see a "Permis...

Fix Git Lock File Not Deleted After Crash

If Git reports a lock file error after a crash, it usually means a previous Git operation was int...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Fix Windows Update Error 0x80070002

Windows Update error 0x80070002 usually appears during an update attempt. The system may stall at...