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 listPowerShell Not Found After Installation: Fixes That Work
You installed PowerShell — maybe the latest version — but when you type powershell o...
Fix Windows Search Not Showing Results: Practical Steps
When you type into the Start menu or File Explorer search box and get no results, it's usually a ...
Fix OneDrive Sync Path Not Found When Moving Files
You try to move a file into a OneDrive folder and get a 'path not found' error. The folder looks ...
Fix Windows Security High CPU Usage on Windows 10
If your Windows 10 PC is running slow and Task Manager shows Windows Security (or Antimalware Ser...
Fix Task Scheduler Configuration Not Saving
You set up a task in Windows Task Scheduler, click OK, and later find the changes didn't stick. T...
Topic paths
Quick titles
Troubleshooting Rate Limit Errors in CMDHow to Resolve OneDrive Folder Permission DeniedWindows Defender Slow Scan FixTask Scheduler Settings Reset TroubleshootingResolve wsreset Not Recognized in Windows 10/11How to Enable Windows Defender When It FailsFix Chrome Tunnel Connection Failed: Network Config GuideChrome ERR_CONNECTION_REFUSED Proxy Fix