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

Fix Chrome Black Screen During Videos: Hardware Acceleration

If you're watching a video in Chrome and the screen goes black (but audio continues), hardwar...

How to Fix Git Detached HEAD Error

You run git status and see "HEAD detached at" followed by a commit hash. Thi...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Firefox Secure Connection Failed: How to Fix

When Firefox shows 'Secure Connection Failed' or similar warnings like 'PR_END_OF_FIL...

Fixing Python UnicodeDecodeError When Reading UTF-16 Files

You open a file in Python and get UnicodeDecodeError: 'utf-8' codec can't decod...