Fix ImageMagick 'convert' Not Recognized in PHP exec() - Fix OneDrive Proxy Error: Setup and Troubleshooting-Resolve BitLocker 404 Not Found Error Post-Update

Extra verification checklist

• Restart the affected app after changing permissions or configuration files.
• Test the same workflow in a clean browser profile or a temporary user account.
• Compare the result on another network if the error may be connection related.