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

Fix PowerShell DNS Error 0x8007274d: Practical Steps

Fix Windows Security High CPU Usage After Update

After a Windows update, you might notice the Windows Security process (Antimalware Service Execut...

Outlook High CPU Usage: Troubleshooting Checklist

If Outlook is using 30% or more CPU for extended periods, your system slows down and battery drai...

Enterprise Windows Defender Configuration Guide

When managing Windows Defender across an enterprise, you often encounter inconsistent settings, m...

Fix 'Microsoft Teams Proxy Authentication Required' Error

You open Microsoft Teams and instead of your chat list, you see a message: "Proxy authentication ...

How to Fix Microsoft Store 502 Bad Gateway on Windows 11

If you see a '502 Bad Gateway' error when opening Microsoft Store on Windows 11, the store can't ...