This thing worked perfectly. It was awesome that I could exchange pictures and song from my PC to my mobile phone, but suddenly it stopped working. How come? I mean, what did I do?
Try uninstalling the application and then installing it again. This should fix it. Alternatively, access Device Manager and make sure that the driver is properly installed. In most of the cases this is the cause of the errors. If you're using a laptop, make sure to turn on the Wireless/Bluetooth devices using the built-in button switch.