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

How to Fix PowerShell Rate Limit Error 429

If you're using PowerShell to call REST APIs — especially Microsoft Graph, Azure, or GitHub — you...

Windows Update Stuck at 100% After Restart: How to Fix

You restart your PC after a Windows update, but it hangs at "100% complete" for 10 minutes or mor...

How to Reinstall Windows Defender in Windows 10

Windows Defender (now called Microsoft Defender Antivirus) is built into Windows 10 and typically...

Fix Chrome Update Error Code 4: Step-by-Step Guide

If you see error code 4 when updating Chrome, it usually means the updater couldn't write to the ...

Fix 'Windows Defender Not Recognized' Error in Command Prompt

Fix Microsoft Teams Installation Error on Mac

You try to install Microsoft Teams on your Mac, but the installer fails partway through or throws...