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Frequently asked questions
Troubleshoot virus and threat protection
52
To show the Auto-Protect icon in the Windows system
tray
1 In the main window, click Options.
If a menu appears, click Norton AntiVirus.
2 In the Options window, under System, click Auto-
Protect.
3 Ensure that Show the Auto-Protect icon in the
Windows system tray is checked.
How do I stop a virus that continues to infect my
files after I have scanned and removed the virus?
A virus may continue to infect files for several reasons.
The virus might be in a program file with an unusual
extension for which Norton AntiVirus is not configured
to search.
To reset Norton AntiVirus scanning options
1 In the main window, click Options.
If a menu appears, click Norton AntiVirus.
2 In the Options window, under System, click Manual
Scan.
3 Under Which file types to scan for viruses, click
Comprehensive file scanning.
4 Click Manual Scan > Bloodhound.
5 Ensure that Enable Bloodhound heuristics is checked,
and then click Highest level of protection.
6 Click OK.
7 Scan all of the disks that you use and repair all
infected files.
The source of the infection could be a floppy disk. Scan
all of the floppy disks that you use to ensure that they are
free of viruses.
The virus might be remaining in memory after you
remove it from the boot record. It then reinfects your boot
record. If the problem is a Trojan horse or worm that was
transmitted over a shared network drive, you must
disconnect from the network or password protect the
drive to let Norton AntiVirus delete the problem.
NIS2005.book Page 52 Sunday, August 1, 2004 3:24 PM