I have an Acer Aspire running Windows 8.1. I'm not yet sure if this is the right place to post this but most Bluetooth Application errors can be as a result of a potential infection..I've not noticed my PC having any problems; it's not been slow or erratic or malfunctioning in any other way. I ran both a Malwarebytes Anti-malware scan as well as an Avast scan and they both came up clear, and have been running both on a weekly basis including an ESET scan as an extra measure. I don't download 3rd party tools and don't don't do peer2 peer downloading.
On startup the error message showed the following: