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

How to Fix UFW Firewall Port Not Open in Ubuntu

You've configured UFW to allow a port (e.g., 8080) but connections still fail. The port appears c...

How to Fix Microsoft Store High Memory Usage

If you notice the Microsoft Store using a lot of memory (often 500 MB or more) even when idle, it...

Fix PowerShell Module Not Found Permission Denied Error

When you see "module not found" combined with "permission denied" in PowerShell, it typically mea...

How to Enable Windows Update via Command Line Tools

If Windows Update is disabled or not working, you can enable it using command-line tools. This ar...

Fix OneDrive 502 Bad Gateway Error from Proxy Settings

If you see a 502 Bad Gateway error in OneDrive, it often means a proxy or network device is inter...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes