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 Defender Failed to Start: Manual Malware Check Guide
If Windows Defender fails to start, you might see an error like "Windows Defender service won't s...
How to Speed Up Slow Windows Defender Scans
If Windows Defender is taking hours to run a scan, you're not alone. The built-in antivirus can s...
OneDrive Invalid Configuration Sync Issue Fix
Understanding the Problem
You open OneDrive and see an error like "Invalid configuration"...
How to Install SSL Certificate for Remote Desktop
If you connect to a remote Windows machine via Remote Desktop (RDP) and see a certificate warning...
Windows 10 Activation Stuck at 0%: Practical Fixes
You try to activate Windows 10, but the progress bar stays at 0% for minutes or hours. This can h...
Topic paths
Quick titles
PowerShell 504 Gateway Timeout: Diagnosis and Resolution ChecklistSetup Chrome Profile Download on WindowsResolve Remote Desktop Permission Denied on ResetHow to Fix Chrome Update Error 12 (No Reset Needed)Windows Terminal Permission Fix: Run as Administrator GuideWindows Firewall Blocking Windows Security: FixFix Command Prompt Update Permission Denied ErrorHow to View Windows Defender Logs in Event Viewer