Patek Philippe

i keep signing in successfully but get logged out every time i try to open a message.

and here is what was problem and solution with my case 1. If you made your initial loggin at watchprosite.com that you must participate in forum from there 2. if you tray to loggin from puristpro.com that you can but every time you open something you got ... 

thanks for your help. that was absolutely the solution. if i log in to watchprosite it works; from purist it doesnt.