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

How to Fix Microsoft Teams Error 429 (Rate Limit)

You're working in Microsoft Teams and suddenly see error 429: “You have been rate limited. Please...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Windows Security 404 Not Found Permissions Issue

You open Windows Security and see a 404 Not Found error, or the app won't load at all. Often this...

Reset Microsoft Teams Without Losing Data

If Microsoft Teams is acting up—slow, crashing, or showing weird behavior—you might think a full ...

Microsoft Teams Authentication Failed: Step-by-Step Checklist

You try to sign in to Microsoft Teams and see an error like “Authentication failed” or “We couldn...

Windows Security Migration Sync Issue Troubleshooting

After migrating Windows security settings—such as BitLocker keys, Windows Hello, or firewall rule...