I've tried in Opera, Chrome and IE - all 3 the same as FF.
Go into your profile and change the number of posts per page to 5 you will be able to get into all pages except 1, so the issue exists somewhere between darsi's reply #14 and andydrz's reply #20.
My money is on evesdad's image pointing to localhost, but it's just a guess.
What to do? We cannot get to the post to edit it, unless we are logged out in which case we do not have editing permission
The only fix then is to use phpmyadmin to edit the posts table.
Aegis, I am away - do you feel up to the task??? If not leave it until tomorrow night when I'll be back at my desktop.