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

Renew an Expired Cloudflare Origin Certificate: Step-by-Step

If your Cloudflare origin certificate has expired, visitors will see SSL errors and your server m...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

Fix Chrome Sync Not Working on Android

If Chrome sync has stopped working on your Android device, bookmarks, passwords, and open tabs wo...

Cloudflare DNS Propagation: How to Check and Fix Delays

When you change DNS records on Cloudflare, propagation can take longer than expected. This articl...

Fix Windows 11 Installation Assistant Stuck at 99% Due to Network Issues

You're running the Windows 11 Installation Assistant, it downloads happily up to 99%, then si...

Fix Windows Update Error 0x80070002: Repair Steps

Windows Update error 0x80070002 usually means the system can't find a required file. This oft...