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 listHow to Fix Chrome Profile Dependency Conflict
You try to open Chrome and get an error about a profile dependency conflict, or Chrome fails to l...
Fix Task Scheduler Stuck on Loading with Service Not Running
If Task Scheduler appears stuck on a loading screen and you see a message that the service is not...
How to Fix Chrome Profile Corruption with Built-in Repair Tools
If Chrome starts showing error messages like "Your profile could not be opened correctly" or cras...
How to Fix Microsoft Teams High CPU and Memory Usage
If you notice your computer slowing down or fans spinning up while Microsoft Teams is running, yo...
Fix Windows Security Certificate Error in Outlook 365
You open Outlook 365 and see a security certificate warning: "There is a problem with the proxy s...
Topic paths
Quick titles
How to Fix pip No Matching Distribution Found Error on WindowsHow to Lower Chrome Memory on Mac – Step by StepChrome File Locked by Extension: Fixes and ChecksWindows 10 Activation Log: Where to Find and How to ReadFix Microsoft Teams Sync Issues with Outlook CalendarFix Nginx 404 Not Found Caused by Missing Index FileFix Chrome Sync Configuration Invalid ErrorFix Cloudflare DNS Not Working on Windows