Hi
I have a feeling a driver setting or something basic is wrong. This reminds me on a problem I once had with one of my previous phones. The only solution was using a different version of the drivers / PC suite.
Some other options you can try are following :
1. download and install the bluetooth and cable drivers seperate. Install them and try again aftger rebooting your PC.
2. in case 1 does not work, remove the complete PC suite from your PC do a reboot and install PC suite again (maybe you already tried)
3. This is a wild guess, I never tried it but it could work.
In case 1 and 2 do not work : remove all Nokia software from your PC. Install the Nserie PC suite (version 2.0) from
http://www.nokia.com/betalabs/graduates. Install the PC suite and try again. I don't know if the E series match with this PC suite but as far I can judge is the basic functionality the same only some additional features and the UI is different. So this could work for you.
I'm very curious. Good luck. ;-)