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

BitLocker Setup Guide for Windows 11

If you're setting up BitLocker on a Windows 11 PC, you probably want to protect your data in case...

UFW Deny Port But Still Accessible: Fixes and Checks

You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...

Fix PowerShell Cannot Connect to Localhost Due to Firewall

When you try to connect to a local service (e.g., a web server, database, or custom application) ...

Windows Defender Missing from Settings After Update: Fix

After a Windows update, you might open Settings and find that Windows Defender (now called Micros...

How to Fix Command Prompt Rate Limit Error on Network