Ubuntu :: Gksu Not Working - Sudo Slow ?

I've been having a problem with administrative apps all the way from last years' distros, and in 10.04-x64 it's still here.

When i launch an application that needs gksu, it simply hangs waiting for a gksu window that never shows up.

If i launch another administrative app, it hangs as well.

When i look at the process list, i get a lot of gksu instances, all sleeping.

if i kill those processes, the mentioned apps resume with an authentication error

But if i use a terminal and type sudo <app>, it hangs for a few seconds, then prompts for password and it works fine.

I don't know why it works so badly, but it needs to be fixed soon, many new users will surely find this very frustrating.

I run ubuntu 10.04-64bit on a AMD-Athlon-x2