1] Re-register btmshellex.dll As this problem is related to the btmshellex.dll file, you may be able to fix your issue by re-registering this DLL file.

If it does not work and the DLL file failed to register, then log on by using an administrator account, and then register the DLL file.

If you cannot run Device Manager on your computer, or if the machine displays "Devmgr.dll" when you try, the library file associated with the utility may be corrupt or may have been deleted ...