Getting "Page Cannot Be Displayed" error creating

[pthurmond]

Getting "Page Cannot Be Displayed" error creating an account.
Also getting the same error trying to login to an account and trying to checkout. Any ideas, all server-based requirements have been met.

I am a newbie at this, please help.
My site is: http://www.phatgod.com/coshop/

Thanks,
Patrick

[jpf]

Don't cross post please.