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

UFW Allow Port Range Not Opening: Fixes and Checks

If you've added a UFW rule to allow a range of ports but connections are still being blocked, the...

How to Set Up Remote Desktop on Windows 11

Before You Start

Remote Desktop lets you connect to your Windows 11 PC from another devic...

Fix PowerShell Cannot Connect to SharePoint Online Setup

When you run a PowerShell cmdlet to connect to SharePoint Online and get an error like "Cannot co...

Fix Chrome Profile Network Errors by Clearing Cache

If Chrome shows network errors tied to your profile—like 'ERR_NETWORK_CHANGED' or pages failing t...

WireGuard Handshake Failure: Configuration Check Guide

You've set up WireGuard, but the handshake keeps failing. The tunnel won't establish, and you see...

How to Fix Microsoft Store File Locked Error

If you see a 'file locked' error when trying to install or update an app from the Microsoft Store...