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

Fix Microsoft Teams 502 Bad Gateway from Proxy Settings

If you see a 502 Bad Gateway error in Microsoft Teams, it often points to a proxy or network conf...

Fix KMS Activation Error: Port 1688 Already in Use

Fix 'Authentication Failed' Errors in Windows Server CMD

When you see 'authentication failed' while running commands in Windows Server's command prompt, i...

Fix PowerShell Mac Module Installation Failures

When you try to install a PowerShell module on macOS using Install-Module, you might...

Outlook Migration Checklist Before Switching to Office 365

Planning to move from an on-premises Exchange server or a standalone Outlook setup to Office 365?...

Windows 10 Activation Troubleshooting Checklist

When Windows 10 shows an activation error, the cause is usually a recent hardware change, a corru...