In Internet Explorer, Tools, Internet Options, Privacy, Advanced, 1st Accept, 3rd Accept, and check Always allow....
Do you have to access the PARTcomunity outside of Creo? I accepted the cookies in stand alone IE and went back to Creo but still get the error.
Yes, I easily access the PART community outside of creo.
Just in Creo is that i have this error/issue.
In Creo 4 M130 (last release) this issues is solved.