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

Fix Cloudflare Origin Certificate Not Trusted by Browser

You've set up Cloudflare with an origin certificate, but browsers show a warning that the cer...

Fix Windows Explorer Restarting from Corrupted System Files

If Windows Explorer keeps restarting unexpectedly, corrupted system files are a common cause. Thi...

Fix Cloudflare Wildcard Subdomain Not Working

If you've set up a wildcard DNS record in Cloudflare (e.g., *.example.com) but s...

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 Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Chrome Black Screen on Windows? Fix Hardware Acceleration in 2024

If Chrome shows a black screen, especially after an update or while watching video, hardware acce...