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

Windows Terminal Shows Blank Screen When PowerShell Doesn't Load

You open Windows Terminal, expecting the PowerShell prompt, but instead you see a blank black or ...

How to Fix 7-Zip 'Cannot Open File as Archive' Error on Valid Files

You double-click a file in 7-Zip and get "Cannot open file as archive." But you know the file is ...

Windows Defender High Memory Usage Troubleshooting Checklist

Windows Defender (Microsoft Defender Antivirus) sometimes uses more memory than expected, especia...

Fix Windows Activation Authentication Failed Error: License Not Genuine

When you see a message like “Windows activation authentication failed” or “license not genuine,” ...

BitLocker Encryption Causing High Memory Usage? Here's How to Fix It