FJ Software

I tryed with USB-Cable and it worked. But BT is not working and I don't understand why

Hi... I just got my self a Sony Ericsson K610i and it's not working with "My Phone Exprorer" :(
The Error message that I get is that no divice is found and the tipps that I get are:
• Take the battery out of your phone for 2 minutes
• Restart your computer
• If you use Bluetooth: Make sure that ...