Sergey,
Not sure if this is PHPrunner bug or not.
Last night I downloaded and installed PHP v5.1.2 on my local machine.
Everything was working ok apart from all of my login pages. When submit is clicked, a MySQL error was generated. This only happened with PHPrunner generated pages. The error was not there on login pages coded directly (using Dreamweaver MX)
I went back to 4.3.2 and everything is ok again.
Have you or anyone else seen this before??
Cheers
Alan