Several users have reported similar errors in the Microsoft community forum: If you are also troubled by this error, here are a couple of troubleshooting tips to help you resolve the unable to start the Bluetooth stack service error in Windows.

Why does Could not start Microsoft Bluetooth stack message appear?

The Could not start Microsoft Bluetooth stack error message typically appears on a Windows computer when there is a Bluetooth driver or service issue. Here are some possible causes and solutions:

Bluetooth driver issues – The error message may indicate an issue with the Bluetooth driver on your computer.  Bluetooth service issues – The error message may indicate that the Bluetooth service is not running or has stopped.  Other software conflicts – Other software on your computer may conflict with the Bluetooth stack. 

Once you know the cause, some of the fixes we explore below could be useful.

How can I fix the Unable to start Bluetooth Stack Service error?

1. Remove the WIDCOMM Bluetooth driver 

The WIDCOMM Bluetooth driver by Broadcom in Dell laptops is a known cause of Bluetooth stack service errors. However, several users have reported that removing the driver did help them resolve the error in Windows.

2. Start Bluetooth Support Service

If the issue persists, even after restarting the Bluetooth Support Services, do the following:

3. Disable Bttray from Startup

4. Update the Bluetooth driver

You can also try updating your Bluetooth driver automatically using reliable third-party software like DriverFix to find the latest versions from its comprehensive vault.

5. Install Windows updates

Updating your Windows OS can fix bugs and glitches with the previously installed drivers and other compatibility issues. The inability to start the Bluetooth stack service error is common to Dell laptops due to the WIDCOMM Bluetooth driver being used to manage the Bluetooth function. However, the driver is known to cause the blue screen of death and other issues during startup. If removing the WIDCOMM Bluetooth driver did not help, follow the other steps in this article to resolve the issue. If you solved the error using any other method, leave it in the comments, and we will try to update the article.

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