Fix 'ffmpeg command not found' in PHP exec()
When you call exec('ffmpeg ...') in PHP and get ffmpeg command not found
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows Security Invalid Configuration Checklist
You open Windows Security and see a message about an invalid configuration. This usually means a ...
Outlook Email Configuration Checklist: Step-by-Step Guide
If Outlook won't send or receive email after setup, the problem is usually a misconfiguration. Th...
Fix BitLocker Port Already Allocated Error After Update
After a Windows update, some users see a BitLocker error saying the port is already allocated. Th...
How to Fix Windows Update Error 0x800f081f with Manual Download
You see error 0x800f081f when trying to install a Windows update, often a feature update or cumul...
Fix 502 Bad Gateway in Task Scheduler
If you're seeing a 502 Bad Gateway error when a Task Scheduler job runs, it usua...
Topic paths
Quick titles
Fix PowerShell Blank Screen After Resizing WindowHow to Fix Chrome Access Denied ErrorReset Windows Security to Default SettingsHow to Activate Windows Security in Group PolicyWindows Defender Connection Refused: Quick FixesHow to Fix Cloudflare Full Strict SSL Permission Denied ErrorsFix Docker Desktop Stuck on 'Starting' on Mac M1How to Repair Task Scheduler on Windows