It seems like you're facing issues with getting your Pinnacle PCTV HD mini stick to work on your HP Pavilion desktop running Windows 7 Home Premium x64. Let's troubleshoot this problem step by step: 1. Uninstall Existing Drivers: - Start by uninstalling any previous drivers for the tuner that you might have installed. 2. Reinstall the Latest Driver: - Ensure you have the latest driver for the Pinnacle PCTV HD mini stick. - Download the driver directly from the manufacturer's website to ensure you have the correct version for your device and operating system. 3. Compatibility Mode: - Try installing the driver in compatibility mode: - Right-click on the driver setup file. - Select "Properties" and then the...