Office Apps Support

I've Scanned Portable Apps Suite Light with an online antivirus, and found this:

 Virus:4096

C:\portable_apps_suite_light_1.0_beta\PortableApps\Apps\PortableSunbird\sunbird\chrome\calendar.jar[selectAddressesDialog.js]

I heard about Trojan/Virus Issue, but I'm a Little afraid, Aniway. Is it normal?

Thanks