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

Fix Outlook Module Not Found Error 0x80040154

You open Outlook and get an error: 0x80040154 — "Class not registered" or "module no...

Windows Update Stuck at Checking for Updates: How to Fix

You click 'Check for updates' in Windows, and the progress bar just sits there—sometimes for hour...

Fix Windows Terminal File Locked Error 0x80070020

When you try to open a file in Windows Terminal and get error 0x80070020, it usually means the fi...

Fix Outlook Service Unavailable After Update

You open Outlook after a recent update and see “Service Unavailable” or “Cannot start Microsoft O...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

Cloudflare Tunnel Configuration Checklist

Setting up a Cloudflare Tunnel (formerly Argo Tunnel) can simplify exposing local services withou...