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

How to Reactivate an Expired Windows License

If you see a "Windows license expired" or "Windows activation required" watermark, your copy of W...

Fix PowerShell Cache Clear Permission Denied Error

When you try to clear the PowerShell cache (for example, deleting the $env:Temp\* fi...

Windows Terminal vs Command Prompt: Which One Should You Use?

If you've ever opened a command-line tool on Windows, you've probably used Command Prompt (cmd.ex...

Fix 'UFW Status Shows Port Not Active' Error

You run sudo ufw status and see a rule for a port, but the port isn't actually activ...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Postman Request Timeout Troubleshooting Steps

You send a request in Postman, wait, and then see “Could not get any response” or a timeout error...