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

Fix Error 0x80070426 in Microsoft Teams Microphone

When you see error code 0x80070426 in Microsoft Teams while trying to use your microphone, it usu...

Fix Windows Update 502 Bad Gateway Due to Firewall Settings

When Windows Update fails with a 502 Bad Gateway error, it often points to a network issue—common...

Fix Windows Defender Threat Service Stopped Startup Type Error

If you open Windows Security and see a message that the threat service has stopped and the startu...

Reduce Outlook Memory Usage Without Disabling Add-Ins

If Outlook is consuming excessive memory, you don't have to disable the add-ins you rely on. Here...

Fix 'Windows Defender Not Recognized' Error in Command Prompt

Fix Outlook Service Unavailable Error in Exchange 2019

You open Outlook, try to connect to your Exchange 2019 mailbox, and see: "Outlook service is ...