Xampp MySQL not starting

 If changing port number doesn't solve your problem, follow steps and this solves problem: (** By these steps don't need to reinstall Xampp or loss your database**)

1. Stop all Xampp services and exit application.
2. Move to c:\xampp\mysql
3. Rename data folder to data_old
4. create new data folder and copy whole content of backup folder to the data folder except "ibdata1" 

5) Select all files in data_old folder and paste into data folder (Note Don't replace copied files and skip replace theme).