Some members of this forum are happy to try and answer your karaoke related questions. To do this effectively we need you to be as detailed as possible when explaining the problem.
If there is software involved include the full name of the program. If it is hardware include the make and model information. When discussing audio or video files give the file type(s) you're referring to. If it's computer related provide the make, model, and operating system.
The more information you provide the more likely it will be that someone here will be able to help you.
Thank You