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Fix 'ffmpeg command not found' in PHP exec() - PowerShell Network Drive Access Denied Troubleshooting-Fix Windows Defender 404 Not Found Error on Windows 10

Updated 2026-06-14 12:31:02macos-help

Fix 'ffmpeg command not found' in PHP exec() - PowerShell Network Drive Access Denied Troubleshooting-Fix Windows Defender 404 Not Found Error on Windows 10

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.