Bluetooth Communications Driver by Microsoft Corporation.
Since Bluetooth Serial Communications Driver is a kernel mode driver, its startup might be configured depending on installed hardware. Changing its startup configuration might cause hardware issues. In the table below you can see how it is configured on my system, but your default settings might differ from mine.
|Windows Vista edition||without SP||SP1||SP2|
|Display name:||Bluetooth Serial Communications Driver|
Bluetooth Serial Communications Driver is a kernel mode driver. If Bluetooth Serial Communications Driver fails to start, the error is recorded into the Event Log. Windows Vista startup proceeds, but a message box is displayed informing you that the BTHMODEM service has failed to start.
1. Select your Windows Vista edition and Service Pack, and then click on the Download button below.
2. Save the RestoreBluetoothSerialCommunicationsDriverWindowsVista.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the
bthmodem.sys file exists in the
%WinDir%\system32\drivers folder. If this file is missing you can try to restore it from your Windows Vista installation media.