Critical Error?

[KazeLionheart]

I just installed this, updated everything, did the full check, etc. When I start the game, the log-in screen loads, then the program closes and I get an error log.

2008.7.19 18:52:20
OS : Windows XP 5.1 (Build: 2600)
CPU : AuthenticAMD Unknown processor @ 3434 MHz with 2047MB RAM
Video : NVIDIA GeForce 8800 GT (7116)

Negative delta time!

History: UGameEngine::Tick <- UpdateWorld <- MainLoop


Help?

[Finisterre]

Web search result (http://www.google.com/search?hl=en&q=Negative+delta+time%21+History%3A+UGameEngine%3A%3ATick+%3C-+UpdateWorld+%3C-+MainLoop&btnG=Google+Search)