Firstly, navigate to Hauppauge official web page and download the latest drivers available. Click the Download button next to WinTV v7 installation package for Windows 8, 7, Vista and XP and save the file to your computer. After that, press Windows + R key combination, type devmgmt.msc and click OK. Expand the Sound, video and game controllers list, right-click on the TV Tuner driver and select Update Driver Software. Use the Browse option to navigate to the downloaded package, select the driver and install it following the on-screen instructions. Also, configure your security program and Windows Firewall to allow the application to communicate. If the problem persists, try uninstalling Acer Arcade Live and installing it again.