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

UFW Port Closed Despite Allow Rule: Fixes

You've added a UFW allow rule for a port, but a port scan or service test shows the port is still...

PowerShell Reset Settings Troubleshooting Checklist

When PowerShell starts acting up—strange errors, missing commands, or a broken profile—resetting ...

How to Fix VS Code Terminal 'Permission Denied' in PowerShell

When you open the integrated terminal in VS Code and run PowerShell commands, you might see a 'pe...

Fix Windows Search Not Working (Error 404) – Practical Guide

If you see "Error 404" when using Windows Search, it usually means the search index is corrupted ...

How to Fix BitLocker SSL Certificate Error

Symptoms

When you try to unlock a BitLocker-protected drive or enable BitLocker, you may ...

Fix Outlook Invalid Configuration Settings Not Working

You open Outlook and see an error about invalid configuration settings. The program may fail to s...