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

How to Fix OBS Virtual Camera Not Showing Up

You've installed OBS Studio, set up your scenes, and want to use the virtual camera in Zoom, Disc...

Fix 'Windows Activation Module Not Found' via Command Prompt

When you try to activate Windows and see an error that the activation module is not found, it usu...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

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

Fix 504 Gateway Timeout After Windows Update

After installing a recent Windows update, you might see a 504 Gateway Timeout error when browsing...

How to Increase Remote Desktop Gateway Timeout Limit

If you frequently see "The connection was denied because the user account is not authorized for r...

Windows Defender Error 504 Setup Guide

If you see error 504 while setting up Windows Defender, it usually means a network timeout or pro...