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

Fix Outlook Authentication Failed When Sending Email

If you get an authentication failed error when sending email in Outlook, the problem is usually a...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Fix Windows Terminal Rate Limit Error After Update

After a Windows Terminal update, you might see a rate limit error when using tools like curl, git...

Fix Windows 10 Error 0xc004c003: Invalid Product Key

You see error 0xc004c003 during Windows 10 activation, with a message that the product key is not...

Windows Defender Configuration Settings Guide

Windows Defender (now Microsoft Defender Antivirus) is the built-in security solution for Windows...

Fix Microsoft Store Connection Timeout After Update

After a Windows update, you might open the Microsoft Store and see a connection timeout or error ...