Fix Outlook Module Not Found Error 0x80040154
You open Outlook and get an error: 0x80040154 — "Class not registered" or "module no...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listnpm install ENOENT: Package.json Causes and Fixes
When you run npm install and get an ENOENT error, it usually means npm ...
Fix Windows Defender Real-Time Protection Authentication Failed
When you try to turn on Windows Defender real-time protection, you might see an error saying some...
OBS Virtual Camera Not Showing in Google Meet: Fixes
You've set up OBS Studio, added your sources, and started the virtual camera—but when you open Go...
Fix Windows Activation Service High RAM Usage
If you notice high RAM usage from the Windows Activation service (sppsvc.exe) in Task Manager, it...
Fix Microsoft Store Stuck on Loading Screen
If the Microsoft Store hangs on a blank or spinning loading screen, it's usually a local data or ...
Topic paths
Quick titles
Resolving 'Path Not Found' in Windows Task SchedulerEdge Profile Sync Paused – Troubleshooting GuideTroubleshooting Cloudflare 521: Server Not ReachableFix Windows Update Blank Screen with Bootable USBHow to Fix Microsoft Store DNS Error on Windows 10Jupyter Kernel Won't Start Python EnvironmentPowerShell Command to Find Windows Terminal Log FilesInstall Windows Terminal Offline on Windows 10