Backup Exec Version 2010

Dear All,

I have symantec Backup Exec 2010  software & i have a probelm and i need some on can help me.

My backup exec log file is huge and it is increasing 

location of my file is below & size.

F:\Program Files (x86)\Symantec\Symantec Endpoint Protection Manager\db

sem5.log    670,209,664 kb size

can some one tell how to talke care this issue.

Thanks in advance.

Shri !!