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

Certbot Nginx Plugin Install Failures: Common Fixes

When you run certbot --nginx and get an error like "The nginx plugin is not working"...

Fix Windows Security Auto Start Registry Settings

If Windows Security (formerly Windows Defender) isn't starting automatically when you boot your P...

How to Avoid Microsoft Teams Rate Limits

If you use Microsoft Teams extensively—especially with bots, automation, or custom apps—you may h...

Fix Missing Folders After Outlook Migration

After migrating your mailbox to a new Outlook profile or a different version, you might find some...

How to Fix '404 Not Found' File Path Errors in CMD

Fix Microsoft Store Authentication Fails Due to Proxy

If you see authentication errors in Microsoft Store and suspect a proxy, you're likely hitting a ...