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

Fix Microsoft Teams Proxy Error After Update

After a Microsoft Teams update, some users see a proxy error when trying to sign in or connect. T...

Fix Microsoft Teams SSL Certificate Not Trusted Error

When you open Microsoft Teams and see an error like "SSL certificate not trusted" or "Your connec...

Task Scheduler Certificate Configuration Checklist

If your scheduled tasks fail to run or show certificate-related errors, the issue often lies in h...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Debug SSH Public Key Authentication Failure: Step-by-Step

You're trying to SSH into a server with a public key, but you get "Permission denied (publickey)"...

Fix Docker Compose Network Not Found with Permission Denied

If you're seeing errors like network not found or permission denied whe...