Windows 7: Bluetooth driver error please help

I reboot my laptop because of its bluetooth. eversince i have a problem with that but i just ignore it, sometimes i can send files thru pc to cellphone or vice versa and sometimes i can't. but i got tired on that bluetooth so i tried to uninstall it and download other driver from the net its broadcom. here Broadcom.com - Bluetooth Software Download
i didn't installed it correctly because of an error. then i tried to put back the old version thru samsung restore something like that. a feature on my laptop then error occured i tried and tried then my pc just stack up. i remove the battery and that's it when i open i just can't go to windows so i decided to reboot it.
and again now i can't recieve files to my pc it says "service not supported by other device" to my phone...
and everytime i run the avg tune up it says "update incorrect driver bluetooth..." something like that.
what can i do for this?
is this a bug on my Windows 7?
please help... and thanks

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