To troubleshoot the issue with ffdshow not working on your Windows 7 RC1 x64 system, there are a few steps you can take to diagnose and potentially resolve the problem. Here are some suggestions: 1. Check System Compatibility: - Ensure that the version of ffdshow you installed is compatible with Windows 7 RC1 x64. Sometimes, compatibility issues can prevent a program from functioning correctly. 2. Update FFDShow: - Make sure you have the latest version of ffdshow installed. Newer versions often contain bug fixes and better compatibility with newer operating systems. 3. Configuration: - Check the configuration settings of ffdshow to ensure that it is set up correctly. You may need to configure it to work with the...