Invalid ZOHO ID / password

Hey, I found this to be rather daunting...

I logged in with my regular Zoho ID but it gives me the "Invalid ZOHO ID / password" error. I tried having the password e-mailed to me thinking that I had done something wrong - but it says that none of the questions are "valid" for me.

I'm not even sure this is a "problem" but I would think that because they are both Zoho sites that the user names would be interchangeable?!

Please help!