Any firewall program alerts should reference Windows Explorer or Microsoft ActiveSync if either is your obstacle. Your 6700 will need both of these available to it in order to access and install apps properly from your PC. That's why I said to make sure that both have local and internet persmissions set up. It couls still be a bug within SP2 causing the interference, but let's hope for the best. This was a problem with the 6600 also.