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 OneDrive Login Loop After Password Change
You changed your Microsoft password, and now OneDrive keeps asking you to sign in again and again...
Fix 'pip install no matching distribution found for requirements.txt'
When you run pip install -r requirements.txt and see ERROR: Could not find a v...
Fix Chrome Proxy Error After Update: Step-by-Step Guide
After a Chrome update, you might see a proxy error message like "ERR_PROXY_CONNECTION_FAILED" or ...
Fix Windows Activation Error 0x80070057: Step-by-Step
When you see "Windows activation failed to start" with error code 0x80070057, it usually means th...
Fix Chrome Authentication Failed on Windows 10
If Chrome keeps showing 'Authentication failed' when you try to sign in or sync on Windows 10, th...
Topic paths
Quick titles
Fix Command Prompt Service Unavailable Error 5Outlook 504 Gateway Timeout: Proxy and Firewall FixesChrome Profile Error Fix: Create a New ProfileFix Chrome Configuration File Missing ErrorFix Jupyter Notebook Token Not Working on WindowsChrome Reset Stuck on Settings? Here's the FixTroubleshoot GitHub Actions Access Denied ErrorsPowerShell Log File Not Being Created: Fixes & Checks