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

Windows Activation for Ubuntu Installation Guide

You installed Ubuntu alongside Windows and now Windows shows it's not activated. This is a known ...

Fix Remote Desktop Update Error 0x80070002

When updating Remote Desktop Connection on Windows, you may see error 0x80070002. This typically ...

How to Fix Outlook Not Sending Emails

When Outlook won't send emails, you typically see the message stuck in the Outbox or an error lik...

Microsoft Store High CPU Usage: Troubleshooting Checklist

You open Task Manager and see Microsoft Store eating 20-30% CPU, fan spinning up, system sluggish...

Fix Microsoft Teams Version Mismatch Update Required Error

Understanding the Error

When you see 'version mismatch update required' in Microsoft Team...

Fix Windows Defender Permission Denied Access Error

You try to open Windows Defender Security Center or run a scan, and you get a 'permission denied'...