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 listFix Windows Search Authentication Failed in Outlook Sync
When Outlook syncs, it uses Windows Search to index emails. If Windows Search authentication fail...
Fix Chrome Login Loop & Sync Issues: Step-by-Step Guide
You try to sign into Chrome, but it keeps asking for your password in a loop. Or your bookmarks, ...
Fix WSL Ubuntu Cannot Ping External Network
You run ping google.com from your WSL Ubuntu terminal and get no response, or an err...
Fix Windows Security Not Launching at Startup
You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...
Fix PuTTY Network Error: Connection Refused on Ubuntu
When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...
Topic paths
Quick titles
Reduce Windows Update Memory Usage: Practical StepsRemote Desktop DNS Setup ChecklistRemote Desktop Error 0x204: Troubleshooting GuideWindows Terminal Command Line Arguments Not Working: FixesFix GitHub Actions Docker Push Permission DeniedHow to Fix Microsoft Store Not StartingHow to Fix Windows Defender Rate Limit and Permission ErrorsHow to Resolve Chrome Profile Permission Denied in Windows 10