toshiba bluetooth stack update

Bluetooth headset is no longer connected to the PC after the update after Vista.

I use the 590 Plantronics Pulsar stereo headphones with a Vista PC. I am connected through Compus serve a Bluetooth USB dongle and the recommended documentation has been using a Toshiba Bluetooth Stack. Audio and Skiping song have been working well until the latest update to Vista that was installed its device manager. I can not get the Toshiba Bluetooth Manager be "ready" so you can connect to my headphones. I have tried to disable the Windows Bluetooth Manager via Device Manager but seem to have no no effect. Any external advice on the use of System Restore? Secondly, I've never been able to get the microphone on the headset to work when pairs when my PC. It would be nice to have the microphone to work when using stereo headphones. Thank you.

Is it possible that you need a new driver for the Bluetooth USB adapter? I check the manufacturer website for additional information or new drivers.

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