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

Fix Command Prompt Sync Issue with System Clock

Fixing Microsoft Teams Authentication Failed for Guest Users

When a guest user sees 'Authentication failed' in Microsoft Teams, they cannot sign in or access ...

Microsoft Teams Token Expired Troubleshooting Checklist

If you see an error like "Your token has expired" or "Authentication needed" in Microsoft Teams, ...

Fix Windows Update Proxy Error on Windows 10

If you see a proxy error when running Windows Update on Windows 10, it usually means the system c...

How to Fix DNS Errors When Searching in Windows 10

If you get a DNS error when searching in Windows 10—like "DNS server not responding" or "Server D...

Fix Remote Desktop Module Not Found on Windows 10

You try to launch Remote Desktop Connection (mstsc.exe) on Windows 10 and see an error like "Remo...