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

Fix WSL Ubuntu Internet Not Working Due to Windows Firewall

If your WSL Ubuntu instance has lost internet connectivity, the Windows Firewall is a common culp...

Fix Windows Activation Port Error 0x80072efd

If you see error 0x80072efd when trying to activate Windows, the message often says something lik...

How to Reset Chrome Proxy Settings

If Chrome suddenly can't load pages or you see "ERR_PROXY_CONNECTION_FAILED", the browser's proxy...

Fix Command Prompt High CPU Usage on Windows 7

If you notice your Windows 7 system slowing down and Task Manager shows cmd.exe using high CPU, i...

Fix NVM Not Found in Git Bash on Windows

BitLocker DNS Error Setup Configuration Guide

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