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

Microsoft Store High CPU Usage: Troubleshooting Checklist

You open Task Manager and see Microsoft Store eating 20-30% CPU, fan spinning up, system sluggish...

Fixing Outlook High Memory Use from a Large Mailbox

If Outlook slows down, consumes excessive RAM (over 1 GB), or crashes, a large mailbox is often t...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix Windows Defender Error 502 Bad Gateway

You open Windows Security and see 'Error 502 – Bad Gateway.' This usually means Windows Defender ...

Fix OneDrive Token Expired After Password Change

After changing your Microsoft account password, OneDrive may stop syncing and display an error li...

Fix Windows Update 504 Gateway Timeout Error

You see a 504 Gateway Timeout error when checking for Windows Updates. This usua...