Here is the setup; 1 - HR21-700 2 - HR21-100 1 - HR24-500 SWIM 8, DECA and Internet connection by a wireless game adapter connected to the HR21-700. I know this is not the correct way to connect the internet to the system, but it works. My problem is I have stuttering, on the HR21-700, on anything I record from satellite or pause. I do not have stuttering on anything I download via On Demand from the internet. If I watch content from the HR21-700 to any other receiver I have stuttering. I do not have stuttering of any thing I have recorded on the HR24-500. Could the gaming adapter being connected to the HR21-700 be causing the stuttering problem? Yes I have rebooted the system, reinstalled the software and done a hard drive scan. All to no avail. Thanks in advance for your comments and suggestions.