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

Windows Security Antivirus Not Detecting Threats: How to Fix

If you suspect Windows Security (formerly Windows Defender) is not detecting threats, you might s...

Fix Windows Update 'Permission Denied' Errors

You click 'Check for updates' in Windows Update, but instead of downloading, you get an error lik...

Fix Microsoft Store Permission Denied Error: Reset Permissions

When you see a 'permission denied' error in Microsoft Store—often when trying to install or updat...

How to Fix Cloudflare DNS Not Resolving on Windows

You've set your Windows machine to use Cloudflare DNS (1.1.1.1 and 1.0.0.1), but websites won't l...

How to Fix Windows Update Error 0x80070002 Stuck Downloading

If Windows Update gets stuck downloading with error 0x80070002, it usually means the update files...

Fix Windows Defender Module Not Found Error 0x80070643