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

Task Scheduler 502 Bad Gateway: Causes and Fixes

If you see a 502 Bad Gateway error when running a scheduled task that calls a web service or API,...

How to Enable Remote Desktop in Windows Firewall

If you're trying to connect to a Windows PC remotely but keep getting errors like "Remote Desktop...

How to Fix Windows Activation Login Loop

You sign in to Windows, but instead of your desktop, you see the activation screen again—over and...

Fix Error 0x80070426 in Microsoft Teams Microphone

When you see error code 0x80070426 in Microsoft Teams while trying to use your microphone, it usu...

How to Fix Microsoft Teams Service Unavailable Error

When you see 'Service Unavailable' in Microsoft Teams, it usually means the app can't reach Micro...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...