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

Fix Windows Defender Invalid Configuration Error 0x800705b4

When you see error 0x800705b4 in Windows Defender, it usually appears during an update or scan at...

Fix PowerShell Azure Token Expiring After 1 Hour

If you're running PowerShell scripts against Azure and find that your authentication token expire...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix 'Port Already in Use' Error When No Process Shows

You try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...

Set PowerShell to Auto-Start as Administrator on Boot

If you need PowerShell to launch with admin rights every time you boot your Windows machine—for r...

Fix Chrome Remote Desktop Audio Not Working

You connect to a remote machine via Chrome Remote Desktop, but there's no sound. Audio can fail f...