Windows XAMPP Installation

[unmi]

Hye, I just install the xampp.. but i cannot start the xampp can anyone help??

10:37:51 AM [Apache] Error: Apache shutdown unexpectedly.
10:37:51 AM [Apache] This may be due to a blocked port, missing dependencies,
10:37:51 AM [Apache] improper privileges, a crash, or a shutdown by another method.
10:37:51 AM [Apache] Press the Logs button to view error logs and check
10:37:51 AM [Apache] the Windows Event Viewer for more clues
10:37:51 AM [Apache] If you need more help, copy and post this
10:37:51 AM [Apache] entire log window on the forums

I dont know how to open the port..try many times..

[Nobbie]

search.php?keywords=blocked+port