Contacts gone after update to V7

I updated to V7 on the weekend and after doing so all my contacts were gone. Any suggestions for retrieving them very much appreciated :) 

Hello Damien,

Do you have the newest version 7.1.30794.0 installed? In the contact folder, where the contracts are missing, you can right-click on the folder, press properties and go to repair window. There you can use the repair feature.

I hope this will help retrieve your contacts.

Regards,
Russel

Loaded 7.2 yesterday. Looked great. Today ALL CONTACTS and CALENDAR are gone!!!