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

Fix Cloudflare Wildcard Subdomain SSL Not Working

You set up a wildcard SSL certificate for your domain on Cloudflare, but some subdomains still sh...

Fix Windows Defender Real-Time Protection Stuck Off in Windows 11

You open Windows Security, see real-time protection is off, click the toggle, and it turns back o...

How to Fix Windows Update Error 0x80070005

Windows Update error 0x80070005 usually means the update process lacks necessary permissions. It ...

Fix Firefox Secure Connection Failed Not Loading

If Firefox shows a “Secure Connection Failed” error and won’t let you load a site, it usually mea...

How to Set npm Prefix to Avoid Permission Denied Errors