Things not opening at login (Mail, Adium etc)

I have had this problem for a month or two, my last thread got deleted a while ago though. I was hoping 10.6.3 would fix it, but no. I have reset the pram, booted into safe mode and verified and repaired disk permissions, unchecked open at login then rechecked it all, but nothing seems to fix it. Does anyone know what could fix this?

 

Weird, my bookmark stopped working so I thought it was deleted. Specs in sig, I'll try a different account later and see if that works.

 

Now I have another problem. When I try to make a new account, I click create, and nothing happens. Well, sometimes a spinning thing goes down the bottom left, but nothing else.

 

So, I'm still having these two problems, does anyone know how to fix them?

 

I click the plus, and the new account window opens. I type in a name, eg "Random", press create account, it says are you sure you don't want a password, click OK, then a spinning thing appears on the bottom left, but it just spins forever. And the create account button stays blue and when I click it again the create an account window goes away, but no account.

 

Well this is just weird. My mum logged on and everything opened for her, then when I logged on I think everything opened, I wasn't really paying attention though. But now it's not opening.

 

Surely there is something I can do to fix it? The apps not opening I mean, don't really care about the account problem.