Hi,
Please upload the CBS.log file to skydrive and provide us a link to it, so that we can assist you better.
Note: The location of the CBS.log file is available at C:\Windows\Logs\CBS
Also, try the following steps and check if it helps.
a. Click on Start, in the search box type in Services.msc and hit enter.
b. Right click on Bluetooth Support service and select Properties.
c. Under the General tab, set the Startup type to Automatic.
d. Under Service Status click on Start.