The Comcast TCP Optimizer is a free, easy-to-use tool that optimizes your computer's connection to the Internet. It allows you to make the most of your internet connection (by modifying some of your TCP/MTU settings), whether you are connected using a wireless router or directly into your cable modem.
Who should use the Comcast TCP Optimizer?
The Comcast TCP Optimizer should only be used on computers running Windows XP.
What do I need to run the Comcast TCP Optimizer?
To use the Comcast TCP Optimizer, click on the Optimize Now link below. If this is the first time you are using this tool, you may be prompted to install a Microsoft Active X control in order to allow the tool to run. After you run the tool, you will need to restart your computer in order for the changes to take effect.