Uzyskiwanie błędu podczas uruchamiania mysql w xampp

Dostaję błąd podczas próby uruchomienia mysql w xampp

11:31:58 AM  [mysql]    Status change detected: running
11:32:03 AM  [mysql]    Status change detected: stopped
11:32:03 AM  [mysql]    Error: MySQL shutdown unexpectedly.
11:32:03 AM  [mysql]    This may be due to a blocked port, missing dependencies, 
11:32:03 AM  [mysql]    improper privileges, a crash, or a shutdown by another method.
11:32:03 AM  [mysql]    Press the Logs button to view error logs and check
11:32:03 AM  [mysql]    the Windows Event Viewer for more clues
11:32:03 AM  [mysql]    If you need more help, copy and post this
11:32:03 AM  [mysql]    entire log window on the forums

Zmieniłem port apache na 8081. Po tym apache działa dobrze. Próbowałem zmienić port mysql, ale nie działa.