"ccapp.exe - This is one of MANY processes that are used by Norton Security (AV + Net Security) If its under the appropriate directory you'll have nothing to worry about. If you're experiencing slowdowns you'll want to upgrade your hard drive and/or your RAM. Norton is a resource hog.
This process is referred to as Common Client App which is also used by auto protect and email checking.
The normal location of ccapp.exe is: C:\Program Files\Common Files\Symantec Shared\ccapp.exe If located anywhere else then suspect a virus."