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

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Windows Security Update Checklist Before Installing

Before you click "Install" on that Windows security update, a few minutes of preparation can save...

Docker Desktop WSL Integration Missing: Full Troubleshooting Checklist

If you open Docker Desktop and the WSL 2 backend option is grayed out or missing entirely, you're...

Fix Windows Defender 502 Bad Gateway: Tool Usage Tips

When Windows Defender returns a 502 Bad Gateway error, it usually means the security intelligence...

How to Fix Windows Activation DNS Error

You try to activate Windows, but get a DNS error. The system can't reach the activation server. T...

Fix Chrome Profile Module Not Found in Safe Mode

If you see 'The profile module failed to load' or 'profile module not found' when starting Chrome...