Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
Flickr & Vimeo Integration Included In Mac OS X Mountain Lion –
Apple seems to be more willing to work along side other companies as in the picture above taken from Mac OS X Mountain Lion we can see that Flickr and Vimeo is integrated with in the Mail , Contacts and Calendars system preferences. We are expecting you to be able to upload photos and videos to either networks with the click of a button in Mac OS X Mountain Lion.
On network a lot of people are wanting Apple to integrate with in the OS is Youtube , but me personally can not see that coming any time soon!