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Support » Frequently Asked Questions » Norman Virus Control
Norman Virus Control
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In this FAQ we have tried to collect some questions (and their respective answers) which are often asked to Norman’s support staff.

Hopefully this will be of help to the users of the various NVCv5.x products.

NVCOAS.EXE is using too much CPU power and interferes noticeably with other applications/work

Answer

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After upgrading to Norman Internet/Virus Control 5.90, the tray icons for Norman Virus Control (and/or Norman Personal Firewall) have disappeared from the taskbar. Why?

Answer

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Windows Security Center reports that NVC is not up-to-date, even if I update it regulary.
Answer
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I have installed Norman Virus Control 5.6/5.7, but after installation nothing happens. I am not able to find the Norman program group, and there is no other indications that the program is installed and running.
Answer
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How do I successfullly remove viruses/malware with Norman Virus Control?

Answer

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Does Norman Virus Control support installation on Windows 2003 server?
Answer
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I have lost my authentication key for Norman Virus Control. How do I get it back?
Answer
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I have problems with my installation. Is there a program to help?
Answer
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What does it mean when the green Norman tray icon has a yellow exclamation mark on it?
Answer
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What does it mean when the green Norman tray icon has a red X mark on it?
Answer
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What does the message "Files that could not be scanned" mean?
Answer
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Is it wise to use Norman Virus Control in addition to other antivirus software?
Answer
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NVC5 and version numbers - How can I check that NVC is up-to-date?
Answer
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Does Norman Virus Control support Windows XP?
Answer
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How do I start NVC?
Answer
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How do I scan my machine for viruses?
Answer
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How do I start and stop the on-access scanner
Answer
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Should I scan my machine on a daily basis?
Answer
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Can I automate virus scanning?
Answer
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How do I update NVC?
Answer
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How do I handle downloaded updates?
Answer
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How often should I update NVC?
Answer
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Should I contact Norman if NVC detects a virus?
Answer
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I have got a new authentication key. How do I enter it into the program?
Answer.
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What does it mean when the green Norman tray icon has a cog on it?
Answer
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Is there a simple way to check if the Internet Protection module (NIP) is activated?
Answer
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I get the error message "Cannot connect to product server" - how do I solve this?
Answer
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Norman Virus Control stopped a virus, and after this I cannot run any programs. How can I fix this.
Answer
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Why can I no longer check the status of installed modules (previously available from “Components” in the Utilities module)?
Answer
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Nothing happens when I left-click the ‘N’ tray icon. Is something wrong?
Answer
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I cannot find the options About and Active components in the tray menu after upgrading to NVC v5.8x. Is something wrong?
Answer
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When selecting License Information from the N-icon, the expiry date shows 0000/00/00. Is there something wrong with my license?
Answer
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What can I do about the following error message "The procedure entry point_NvcOemReplaceLongName@4 could not be located in the dynamic link library Noemrc.dll"
Answer
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After upgrading to NVC 5.8 I am no longer able to connect to your update servers - why?
Answer
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The scanner engine is not up to date. What does this mean and what should I do?
Answer
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After upgrading my NVC installation does not work any longer. I have tried all suggestions in your FAQ, but to no avail. What should I do?
Answer
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What’s new in NVC v5.81
Answer
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After upgrading to NVC 5.81 there is a red/white cross over the N-icon saying "Zanda is not running". What is the issue?
Answer
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Error opening file C:\Norman\Config\config.ndf - Error 0X5

Answer

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Problem: Cclaw error messages

Answer

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I get the message "Invalid authentication key!" when trying to install my Norman program - why?
Answer
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I use Norman Virus Control and cannot upgrade my operating system to Windows Vista. What shall I do?
Answer
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Norman Internet/Virus Control tells me the computer needs a reboot, but when I reboot, the message just reappears. What can I do?
Answer
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Cannot find file when running Internet Update - what is the problem?

Answer

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CURRENT VIRUS THREATS
Medium risk
24 Oct 07 Pidief.A
24 Jan 07 Tibs
25 Sep 06 Stration
18 Jan 06 Small.KI
12 Sep 05 Bagle.CS
17 Aug 05 Zotob.B
08 Jun 05 Mytob
17 Feb 05 MyDoom.AQ
26 Jul 04 MyDoom.L
25 Mar 04 Netsky.P
Low risk
05 Mar 07 Viking.GT
27 Jan 06 Feebs
16 Jan 05 MyDoom.AH
22 Apr 04 SDBot
30 Mar 04 Netsky.Q
Latest virus definition file published
>> 2008-05-16
Norman is one of the world’s leading companies within the field of data security. With products for antivirus (virus control), personal firewall, antispam, and encryption, the company plays an important role in the data industry.