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Home / developer-tools / Fix 'ffmpeg command not found' in PHP exec() - Outlook Version Mismatch Checklist: Fix Sync & Profile Errors-PowerShell Token Expired Not Refreshing – Fix Guide

Fix 'ffmpeg command not found' in PHP exec() - Outlook Version Mismatch Checklist: Fix Sync & Profile Errors-PowerShell Token Expired Not Refreshing – Fix Guide

Updated 2026-06-14 20:54:33developer-tools
Fix 'ffmpeg command not found' in PHP exec() - Outlook Version Mismatch Checklist: Fix Sync & Profile Errors-PowerShell Token Expired Not Refreshing – Fix Guide
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.