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

Fix Windows Startup Repair Login Loop After Update

You sign in, see "Preparing Windows" or a spinning circle, then get dumped back to the login scre...

Fix Outlook 502 Bad Gateway Error After Update

After a recent Outlook update, you might see a '502 Bad Gateway' error when trying to send or rec...

How to Disable Windows Defender Real-Time Protection for Performance

If your system feels sluggish during file operations or while running resource-intensive applicat...

Fix Windows Activation Version Mismatch Due to Incorrect Edition

You install or upgrade Windows, then see an activation error like “The version of Windows you hav...

Fix 'Command Prompt Authentication Failed' – Run as Administrator

When you see 'authentication failed' in Command Prompt, it usually means your current session lac...

How to Set Up Remote Desktop on Windows 11

Before You Start

Remote Desktop lets you connect to your Windows 11 PC from another devic...