Microsoft Store SSL Certificate Error: Troubleshooting Checklist
You open Microsoft Store and see an SSL certificate error—maybe “ERR_CERT_AUTHORITY_INVALID” or a...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
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Fix Outlook Connection Refused Error 0x80040115
Outlook error 0x80040115 usually appears as "Connection refused" or "Cannot start Microsoft Outlo...
Fix SSL Certificate Verify Failed in Command Prompt
If you see SSL certificate verify failed when running commands in Command Prompt, it...
Fix Microsoft Store 'File Locked' Error When Installing or Updating Apps
When you try to install, update, or launch an app from the Microsoft Store, you might see an erro...
Fix Microsoft Teams White Screen on Startup
When Microsoft Teams loads but shows only a white screen, the app is usually stuck during startup...
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