Imas odgovor na ovoj adresi
http://service1.symantec.com/S...406?Open&src=tranus_con_br
a evo i copy/paste:
Error: "Norton AntiVirus was unable to scan your Instant Messenger download for infections" (3021,4)
Turn off Norton AntiVirus Instant Messenger
STEP-1- If the (3021,4) error message keeps you from seeing the Norton AntiVirus interface, then drag the message out of the way.
STEP-2- Start Norton AntiVirus.
If Norton AntiVirus is part of Norton Internet Security or Norton SystemWorks, then start Norton Internet Security or Norton SystemWorks.
STEP-3- On the program interface, click Options.
If you see a menu, click Norton AntiVirus.
STEP-4- On the left side of the Norton AntiVirus Options screen, click Instant Messenger.
STEP-5- Under the section headed "What instant messengers to protect," uncheck all of the items, and then click OK.
STEP-6- Restart the computer, and then go on to the next section.
Run LiveUpdate to download the latest Norton AntiVirus program update
STEP-1- On the Norton AntiVirus, Norton Internet Security, or Norton SystemWorks program interface, click LiveUpdate.
Download all available updates, and restart the computer if you are asked to do so.
STEP-2- Run LiveUpdate again until you see the following message:
"Thank you for using LiveUpdate. All of the Symantec products and components installed on your computer are currently up to date. Remember to check for new updates frequently."