Excel crashes may be caused by the Send to Bluetooth add-in for Microsoft Office: Microsoft KB2803733.
Disabling or updating the Send to Bluetooth add-in for Microsoft Office may resolve this problem.
You can disable the Send to Bluetooth add-in (btsendto_office.dll) via think-cell's diagnostic tool tcdiag.exe. KB0091: How can I find out which add-in causes a problem? explains its usage.
To update Send to Bluetooth Office add-in, please look for the most recent Bluetooth driver for your computer model on the technical support website of its manufacturer.