My server provider said I had to upgrade from 1.5.2 to 2.1 or above because they were upgrading their own PHP which was incompatible with WordPress 1.5.2. So I downloaded 2.1.2, and followed all instructions from here:
As per instructions, when I then entered the following with my browser to activate the upgrade...
...I got this "There was only 1 step, lucky you!" message. But my blog is still at 1.5.2, I repeated the process with identical results.
Suggestions to TRULY upgrade? I'm stuck at 1.5.2. Thanks in advance for responses.