I peridodically (every week or two) get this message first thing in the morning when I open my MacBook Pro (OS 10.6.8), and until I confirm my login details (userID/p-word) and download yet again the Comcast xfinity installation package (ComcastDesktopInstaller_MMF2.pkg), I am blocked from Internet access via web browser, email, etc. This is really annoying, and no matter how many times I go through the steps, just to make it go away once and for all, I get re-directed at the end to a Welcome.jsp page that no longer exists, so that I can't "complete" my installation, ensuring yet another visit to Comcast netadmin purgatory someday soon.
Access to the internet actually returns as soon as I begin the download.
Am I doomed to re-enacting this tedious version of Groundhog Day for as long as I am a Comcast customer?
Yes, you are correct, I don't need to "install" anything, however I do peridoically need to download the package again. Yes, it "should just work", and does--usually. However, about once every two weeks or so, I have to go through this rigamarole of downloading the install package. Until I do, I don't have access to internet. Thanks for responding, and for your help.
I wish Comcast installers weren't such idiots sometimes. While NO software is required to register/provision your cable modem, the installers are taught to use this really stupid software package that lets them bypass the phone call to register the modem on the Comcast side. What's worse is they then LEAVE this piece of junk on your system because they were lazy, got distracted, or plain had no clue what they are doing.
Joel's post here has instructions for how to remove the login item that prompts you to do this when you login. Afterwards, reboot to make sure it doesn't happen anymore. Now check your Web and email access. Do websites look normal or do you get redirected to the walled garden page or some other Comcast setup site? If so, check your TCP/IP settings for hard coded DNS servers. If you have some, remove them and renew your DHCP lease (or reboot).
If still having a problem, call Comcast and have them re-provision your cable modem on their end, the registration may have been done improperly. You will need the exact modem model number, serial number, and HFC MAC address (this should all be on the device label on the back or bottom the unit).