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

Fix 'Port Already Allocated' Error in Chrome via Command Line

You start Chrome from the command line and get an error that the port is already allocated. This ...

How to Fix Windows Defender Threat Service Stopped

If Windows Defender shows a yellow warning that the threat service has stopped, real-time protect...

How to Fix Windows Activation File Locked Error

You might see a Windows activation error saying the license file is locked or can't be written. T...

Fix Chrome Update Error 12 Caused by Antivirus

If you see Chrome update error 12, it usually means your antivirus software is interfering with t...

Fix Command Prompt Not Recognizing Commands

Fix Chrome Authentication Failed by Clearing Cache

You're trying to sign in to a website in Chrome, but you get an "authentication failed" error. Th...