xampp apache won't start

[ubaldinad]

Hello. I'm have trouble for running Apache XAMPP in Windows 8. This is that I look:

6:50:37 p. m. [Apache] the Windows Event Viewer for more clues
6:50:37 p. m. [Apache] If you need more help, copy and post this
6:50:37 p. m. [Apache] entire log window on the forums
6:51:59 p. m. [main] Executing "d:\xampp-5.5.37\"
6:52:09 p. m. [main] Executing "services.msc"
6:54:02 p. m. [mysql] Attempting to start MySQL app...
6:54:02 p. m. [mysql] Status change detected: running
6:54:02 p. m. [mysql] Status change detected: stopped
6:54:02 p. m. [mysql] Error: MySQL shutdown unexpectedly.
6:54:02 p. m. [mysql] This may be due to a blocked port, missing dependencies,
6:54:02 p. m. [mysql] improper privileges, a crash, or a shutdown by another method.
6:54:02 p. m. [mysql] Press the Logs button to view error logs and check
6:54:02 p. m. [mysql] the Windows Event Viewer for more clues
6:54:02 p. m. [mysql] If you need more help, copy and post this
6:54:02 p. m. [mysql] entire log window on the forums
6:54:08 p. m. [filezilla] Attempting to start FileZilla app...
6:54:08 p. m. [filezilla] Status change detected: running
6:54:34 p. m. [main] Executing "d:\xampp-5.5.37\mysql"
6:56:33 p. m. [mysql] Attempting to start MySQL app...
6:57:11 p. m. [mercury] Attempting to start Mercury app...
6:57:11 p. m. [mercury] Attempting to start Mercury app...
6:57:11 p. m. [mercury] Status change detected: running
6:57:41 p. m. [mysql] Attempting to start MySQL app...
6:58:53 p. m. [mysql] Attempting to start MySQL app...
6:58:53 p. m. [mysql] Status change detected: running
6:58:54 p. m. [mysql] Status change detected: stopped
6:58:54 p. m. [mysql] Error: MySQL shutdown unexpectedly.
6:58:54 p. m. [mysql] This may be due to a blocked port, missing dependencies,
6:58:54 p. m. [mysql] improper privileges, a crash, or a shutdown by another method.
6:58:54 p. m. [mysql] Press the Logs button to view error logs and check
6:58:54 p. m. [mysql] the Windows Event Viewer for more clues
6:58:54 p. m. [mysql] If you need more help, copy and post this
6:58:54 p. m. [mysql] entire log window on the forums