SQL Stoped Working

[Nianzu]

My SQL dadabase suddenly stopped working, I don't know why. Here is some information.
5:47:14 AM [mysql] Attempting to start MySQL app...
5:47:15 AM [mysql] Status change detected: running
5:47:16 AM [mysql] Status change detected: stopped
5:47:16 AM [mysql] Error: MySQL shutdown unexpectedly.
5:47:16 AM [mysql] This may be due to a blocked port, missing dependencies,
5:47:16 AM [mysql] improper privileges, a crash, or a shutdown by another method.
5:47:16 AM [mysql] Press the Logs button to view error logs and check
5:47:16 AM [mysql] the Windows Event Viewer for more clues
5:47:16 AM [mysql] If you need more help, copy and post this
5:47:16 AM [mysql] entire log window on the forums

Please inform me if you need more information.