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

Fix Windows Defender Threat Service Stopped Startup Type Error

If you open Windows Security and see a message that the threat service has stopped and the startu...

Fix Command Prompt Not Working After Windows Update

After a Windows update, you might click Command Prompt and nothing happens—or it opens and closes...

Windows Task Scheduler Missing Tasks: Fix Guide

If you open Task Scheduler and find that some or all of your tasks have disappeared, you're not a...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Update Version Mismatch Error

When you see a version mismatch error in Windows Update, it usually means the update files on you...

Fix 'systemd service failed to start unit not found' Error

When you run systemctl start myapp.service and get Failed to start myapp.servi...