HRXRECORDS
Yeah i have the same problem but when i emailed support they said what do you need Platinum for BAND LAB is free... I need an answer and i want my damn software that was $600
If you can log in here, you should be able to login via the Cakewalk Command Center using the same details.
CCC is still working for me.
I would try uninstalling Cakewalk Command Center, re-installing it, and trying again.
If it still isn't working, check you've got the latest updates on your OS. CCC uses a secure connection, so there could be some certificate issues if you're running a version of Windows without the latest security / IE updates.
You could also try going into Windows and open up Manage Computer Certificates, and delete any old cakewalk certificates that could be clashing with CCC.
Once you've installed Platinum plus all the 3rd party extras, I would recommend you install Cakewalk for BandLab though. It's basically Platinum plus 6+ months of bug fixes, and a MUCH more stable product.