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

Fix Firefox Secure Connection Failed After Update

After a Firefox update, you might see a "Secure Connection Failed" error when visiting we...

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

Symptom

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

Fix Python Permission Denied When Installing Package in Virtual Environment

You activate your Python virtual environment, run pip install somepackage, and get a...

How to Enable Windows Defender Real-Time Protection in Windows 10

If Windows Defender real-time protection is off, your PC is more vulnerable to malware. You may s...

Fix Python Memory Error When Loading Large JSON Files

If you've tried to load a large JSON file into Python and hit a MemoryError, you...

Fix 'Permission Denied' When Activating Python venv

When you try to activate a Python virtual environment with source venv/bin/activate ...