WordPress is constantly recreating its self but IT being IT for some werid reason it doesnt work for you, dont fret!! There is hope, WordPress compiles all previous versions of the software which you can download.
Head on HERE and download the version which works for you
Available Versions (And growing)
Version 071-gold, 072-beta-1 and RC1. Other previous archives include version 1.0-RC1 and 1.0-platinum, 1.0.1-RC1, 1.0.1-miles, 1.0.2-blakey, 1.0.2, 1.2-RC1, RC2, beta, delta, mingus, 1.2.1, 1.2.2, 1.5-strayhorn, 1.5.1.1, 1.5.1.2, 1.5.1.3, 1.5.1, 1.5.2, 2.0 2.0.1-RC1, 2.0.1, 2.0.4, 2.0.5-RC1, 2.0.5-beta-1, 2.0.5, 2.0.6-RC1, RC2, beta1, 2.0.6, 2.0.7-RC1, RC2 and 2.0.7. Also available is the latest 2.1 branch or trunk of WordPress, from 2.1 beta1, beta2, beta3, beta4, RC1, RC2 to the final release of 2.1.
From the Shelves of Delirium
Digging up the files…
Great software!