The same password should work for both login to my wordpress blog AND to the wordpress Stats
May be true if your blog is hosted in WordPress.com. If that’s the case then you should bring your question to http://en.forums.wordpress.com/
If your blog is self-hosted
– http://wordpress.org/extend/plugins/stats/installation/
– create account in wordpress.com if you don’t have one
– http://faq.wordpress.com/2005/10/19/api-key/
My blog is self hosted
I have the same problem – I’ve even deleted and manually reinstalled the plugin – I’ve requested a new password several times and still get the same error when using each of the new passwords. The API key is correct.
This issue appears on all my blogs (a mix of WP 2.6 and 2.7.x
There are dozens of threads about this here in the wp.org forums – why will none of the developers address this with some serious concern?
Gaz
