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

Fix Windows Defender 404 Not Found Error on Windows 10

You click to open Windows Defender Security Center and see a 404 page, or the Settings app shows ...

Fix Windows Update Error 0x80070020: File Locked

You try to install Windows updates but get error 0x80070020. This usually means another program o...

Removing Malware Causing High CPU Usage in Command Prompt

If you notice high CPU usage in Task Manager attributed to Command Prompt (cmd.exe), svchost.exe,...

BitLocker DNS Error Setup Configuration Guide

When setting up BitLocker, you might encounter a DNS error that stops the configuration process. ...

Fix nvm not working in CMD or PowerShell on Windows