cannot connect to online backup server

I use True Image Home 2011.
3 day ago i want to try online backup and got a 1 month subscription before to buy the service.
I backupped a folder (about 1.8 Gb) and all worked fine.
Since the day after i was no more able to run the application. It's impossible to connect to the server.
this is the error message:

Ulteriori informazioni su questo errore e sulle soluzioni applicabili sono disponibili online nella Knowledge base Acronis.
Per accedere manualmente alle risorse online immettere il codice evento in: http://kb.acronis.com/errorcode/
Codice evento: 0x00980191+0x009800DE+0x0000FFF0

Then i tried the recovery service from the online backup web page but always i get the same message:

the server storage-eu.acronis.com does not answer.

Is the server off-line ?

I found http://forum.acronis.com/forum/9896#comment-26492

so i have done what Ilya suggests. I have deleted client.crt.
Online Backup now trys to connect to the certification server but this doesnt answer:

Ulteriori informazioni su questo errore e sulle soluzioni applicabili sono disponibili online nella Knowledge base Acronis.
Per accedere manualmente alle risorse online immettere il codice evento in: http://kb.acronis.com/errorcode/
Codice evento: 0x0098032E+0x00980320

thanks
Giovanni

My system: Thoshiba Satellite Pro - 3 Gb - Windows Vista 32bit . True Image Home 2011 (build 5519)