Error to install MySQL

[raulrobert]

Somebody can help me with these:

11:56:50 [mysql] Error: MySQL shutdown unexpectedly.
11:56:50 [mysql] This may be due to a blocked port, missing dependencies,
11:56:50 [mysql] improper privileges, a crash, or a shutdown by another method.
11:56:50 [mysql] Press the Logs button to view error logs and check
11:56:50 [mysql] the Windows Event Viewer for more clues
11:56:50 [mysql] If you need more help, copy and post this
11:56:50 [mysql] entire log window on the forums

Thanks