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

Windows Defender Setup Checklist for New PC

When you set up a new PC, Windows Defender (now called Microsoft Defender Antivirus) is already a...

How to Fix DISM Restore Health Error 0x80073712

When running DISM /Online /Cleanup-Image /RestoreHealth, you may see error 0x8007371...

How to Fix Microsoft Store Stuck on Loading Screen by Resetting Settings

If the Microsoft Store app stays on a blank or spinning loading screen and never shows content, i...

How to Fix Cloudflare SSL Certificate Errors

If your site shows a Cloudflare SSL certificate error, visitors may see a warning or the connecti...

Chrome Profile DNS Error: Troubleshooting Checklist

You open Chrome and see a message like "DNS error" or "ERR_NAME_NOT_RESOLVED" tied to your profil...

How to Fix 502 Bad Gateway in PowerShell Invoke-WebRequest