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

Fix Certbot Renew Certificate Not Working

You run certbot renew and nothing happens, or you get an error. Renewal failures oft...

Fix Task Scheduler Connection Refused for Service Account

When a scheduled task runs under a service account and fails with a 'connection refused' error, i...

Fix OneDrive SSL Certificate Error After Update

After a recent Windows or Office update, you may see an SSL certificate error in OneDrive. The er...

Windows Defender on Mac: Installation Checklist

If you're trying to install Windows Defender on a Mac, you've probably run into confusion: Window...

Fix Windows Activation Error 0xc004c003 Without Internet

You see error 0xc004c003 when trying to activate Windows, and your device either has no internet ...

Fix PowerShell Proxy Authentication Failed Errors