Nicolai said, i have to enable the root access, right?

How can i enable it? Because on the application manager i have configured a lot of catalogs (Maemo extras , Extras-devel, Extras devel-Testing , maemo.org.... also from ovi store, etc..) and now when i open the program and click on DOWNLOAD the only thing that appears is a information saying "operation failed and then (NO APPLICATIONS AVAILABLE)"

Since the last working that was 3 days ago, i didn´t install any app.... it stop working with no reason!!!

in x-terminal root, when i run "apt-get update" what does it says is the following:
"E: Could not open lock file /var/Lib/apt/lists/lock - open (13 permission denied)
E: Unable to lock the list directory "


In the beginning i thought that the catalogs links were down..... but it seems that i´m the only one that can´t make the access to them.

I realy need you help....