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 listHow to Repair a Corrupted Windows Security Log
If you see errors like "The security log is corrupted" or Event ID 1104 in the System log, Window...
How to Fix Outlook DNS Error 0x800ccc0f
Outlook error 0x800ccc0f usually appears when sending or receiving email. The error message often...
How to Fix Windows Security High Memory Usage
You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...
Fix BitLocker Service Unavailable Permission Denied Error
When you see "BitLocker service unavailable permission denied" on Windows, it usually means the B...
How to Fix Windows Defender Not Opening
When you click Windows Defender and nothing happens, or it opens and immediately closes, it's oft...
Topic paths
Quick titles
How to Troubleshoot Windows Terminal Memory LeaksHow to Resolve 504 Errors in Scheduled TasksWireGuard Handshake Stuck? Here's How to FixWindows Update 0x80072efd Error SolutionBitLocker 404 Error When Unlocking Drive: Troubleshooting GuideMicrosoft Teams DNS Permission Denied FixTask Scheduler Not Running After Reset: How to FixSSL Certificate Error in Windows Activation: Troubleshooting Guide