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

Manually Download and Fix Windows Update Error 0x80070002

You see error 0x80070002 when checking for updates. It usually means Windows Update can't fin...

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...

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

Node.js Memory Limit Increase Not Working: Fixes

You set --max-old-space-size=4096 but Node.js still crashes with a memory error. Thi...

Fix Python Permission Denied When Running pip install -r requirements.txt

How to Fix Cloudflare 522 Error: Origin Server Timeout

If you see a Cloudflare 522 error, it means your origin server didn't respond in time. This u...