Other than the learning curve to get familiar with the Tazer no problems. If your issue occurred after the install of the Tazer you should unmarry and see if the problem has gone away. Good luck with resolution. I will be watching to see what the fix is.
99% of Tazer issues seem to be related to operator error. You need to follow the instructions EXACTLY or you will likely have all sorts of problems. It's not hard, but this is not something you just plug in and "figure it out". You must properly marry the tazer when you install it, and do the reboots and sleep cycles exactly as outlined after any changes are made or after you unmarry it.
Also, there are settings in the Tazer menus to enable/disable the proximity locks. Marrying the tazer imports all the factory settings into the tazer. If the Tazer was not initially married properly those would be turned off by default. Also make sure those did not accidentally get turned off when you were exploring all the options.