If the file is more than 2 MB
See if you can disable Virus scan by opening Security center -> Computer and files -> configure -> OFF for virus protection is enabled.
Go to the RESTORE folder restore the file that got quarentined .. Go to the location of the file.. Zip it .
Send the Zipped file to firstname.lastname@example.org
Enable the Virus scan by clicking on FIX on MSC.
The AVERT labs will check the file and tell you what can be done.