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

How to Fix Chrome SSL Certificate Error After Update

WireGuard Handshake Not Completing: Firewall Fixes

You set up WireGuard, but the handshake never completes. Both peers show no handshake time, and y...

Fix Outlook Migration Tool 'Permission Denied' Error

When using an Outlook migration tool, a 'permission denied' error usually stops the transfer mid-...

Fix Outlook Port Already Allocated Error on Windows 11

You open Outlook on Windows 11 and get an error that a port is already allocated. This usually ha...

How to Fix Windows Defender Error 0x800704ec

When you try to open Windows Defender (now called Microsoft Defender Antivirus) and see error cod...

Fix Windows Search 404 Error Due to Permission Issues

You may see a '404' error or 'File not found' when searching in Windows, even though the file exi...