failed update attempt. now i get a blank page

Hi,
I tried to update to the latest version, just like i always do. This time the update process took more than 15mins and then i realized that it just freezed. I couldn't do anything. Then my website became blank. So i disabled the component in order to make the website work. I need to fix this though because its a crucial function of my website.

http://www.karpasia-hp.com is the website. now the blog is disabled as i said

Thanks in advance