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 Windows Search Authentication Failed Permission Denied
You click the Start menu or Search bar, type a query, and instead of results you see an error: "A...
Fix Go Proxy Not Working with Private Repository
When you run go get or go mod download and get errors like 410 Go...
How to Use the Windows Search Service Configuration Tool
Windows Search can slow down or stop returning results when its service or index gets corrupted. ...
Windows Terminal Performance Optimization Checklist
If Windows Terminal feels sluggish—slow to open, laggy when typing, or jerky when scrolling—you’r...
Microsoft Store Version Mismatch Troubleshooting Checklist
You open the Microsoft Store, see an update available, but when you try to install it, you get a ...
Topic paths
Quick titles
Fix Windows Terminal Symlink Permission Denied ErrorBitLocker Auto-Unlock Not Working with TPM: FixesHow to Fix 504 Gateway Timeout in Windows SearchWindows Terminal Black Screen: Troubleshooting GuideWindows Defender Log File Not Generating: How to FixHow to Restore Missing VMware Virtual Ethernet AdapterDocker Daemon Not Starting After Docker Desktop InstallConda Environment Setup: A Practical Checklist