Before we move on to more advanced fixes, let's try some basic troubleshooting steps:
If the program fails to launch with an error stating "ManyCam.exe is missing," your antivirus may have quarantined it as a false positive. manycam 261 fix
Navigate to ManyCam Settings > Network and uncheck "Proxy". Before we move on to more advanced fixes,
To fix this, you must completely remove the old driver. Uninstall ManyCam via the Windows Control Panel , restart your computer, and then reinstall the software. restart your computer
Technical Support Team Attachment: Checklist for ManyCam 2.6.1 troubleshooting (available upon request)