Office programs may crash with the SendToBluetooth add-in installed

Note

Office 365 ProPlus is being renamed to Microsoft 365 Apps for enterprise. For more information about this change, read this blog post.

Resolution

If you have the WIDCOMM SendToBluetoothadd-in installed, your Office programs might be crashing due to an incompatibility issue between the add-in and other Microsoft Office programs.

Note: This add-in is installed by default on many OEM images of Windows.

Here's how you can check to see if the add-in is the cause of your Office programs crashing:

First, open the Event Viewer

For a Windows 10, Windows 8.1 and Windows 8

  1. From the Startscreen, type View event logsin the search box.
  2. Select View event logs.

Windows 7 and Vista

  1. Click Start.
  2. In the Search box, type Event Viewer, and then, in the list of results, double-click Event Viewer.

Windows XP

  1. Click Start>Control Panel>Performance and Maintenance, and then click Administrative Tools, and then double-click Computer Management.
  2. In the console tree, expand Event Viewer.

Now, check for the following events

Event ID: 1000

Faulting module name: msctf.dll

Event ID: 1000

Faulting module name: ntdll.dll

Note: Even if you do not see an Event 1000with either of these two dlls listed, you may still be encountering crashes due to this add-in.

Method 1: Try to update the SendToBluetooth add-inYou might be able to find an update to the Bluetooth add-in here:

[https://www.broadcom.com/support/bluetooth/update.phpEnter

If you weren't able to update the add-in, you can continue to Method 2 to disable the SendToBluetooth add-in.

Method 2: Manually disable the SendToBluetooth add-in

Important:This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base: 322756 How to back up and restore the registry in Windows

Warning: Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

Before you start the steps below, make sure you close all of your Office programs.

  1. Open the Registry, here's how:

    • Windows 10, Windows 8.1 and Windows 8: Press Windows Key + R to open a Run dialog box. Type regedit.exeand then select OK.
    • Windows 7 or Vista: Click Start, type regedit.exein the search box, and then select Enter. 
  2. Select the Office program that is crashing and locate and then select the key listed for it:

Click for a list of Office programs

Word

HKEY_LOCAL_MACHINE\Software\Microsoft\Office\Word\Addins

Note: If you are using a 32-bit version of Office on a 64-bit version of Windows, you will need to select the following key:

HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Office\Word\AddinsOutlook HKEY_LOCAL_MACHINE\Software\Microsoft\Office\Outlook\Addins

Note: If you are using a 32-bit version of Office on a 64-bit version of Windows, you will need to select the following key:

HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Office\Outlook\AddinsExcel HKEY_LOCAL_MACHINE\Software\Microsoft\Office\Excel\Addins

Note: If you are using a 32-bit version of Office on a 64-bit version of Windows, you will need to select the following key:

HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Office\Excel\AddinsPowerPoint HKEY_LOCAL_MACHINE\Software\Microsoft\Office\PowerPoint\Addins

Note: If you are using a 32-bit version of Office on a 64-bit version of Windows, you will need to select the following key:

HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Office\PowerPoint\AddinsOneNote HKEY_LOCAL_MACHINE\Software\Microsoft\Office\OneNote\Addins

Note: If you are using a 32-bit version of Office on a 64-bit version of Windows, you will need to select the following key:

HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Office\OneNote\AddinsVisio HKEY_LOCAL_MACHINE\Software\Microsoft\Visio\Addins

Note: If you are using a 32-bit version of Office on a 64-bit version of Windows, you will need to select the following key:

HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Visio\Addins
3. Expand the \Addins subkeyto display all of the add-ins registered at the Machine level.
4. If listed, select the subkey for the SendToBluetooth add-in called BtOfficeAddin.BtOfficeIntegration.1.
5. Right-click the LoadBehavior value and then click Modify.
6. Change the Value data to 0, and then click OK and then close the Registry Editor.
7. Start your Office program that was crashing to determine if the registry change has improved the stability of the program.

More Information

Disclaimer: The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.