Configure AVG Firewall and Web Shield

Whenever you first run a program such as CTI Navigator or CTIUpdateManager over the Internet, the subscription based (paid) AVG Firewall by Grisoft normally will prompt you whether or not to allow the program to access the Internet. On the confirmation screen, check "Save my answer as a permanent rule..." and then click the Allow button. (See note 2 below regarding AVG Anti-Virus Free edition.) 


Otherwise, if you need to create a Firewall Rule in your AVG security program to allow CTI Navigator or CTI Update Manager to run over the Internet, follow the instructions in AVG’s Help for the specific version you have installed (see Related Articles below for AVG User Manuals); or follow the appropriate steps summarized below. 


To configure the firewall in the subscription based AVG  Internet Security (see note 2 regarding AVG Free edition):

  1. Open the AVG Control Center (double-click on the AVG icon) 

  2. Select Tools at the top of the Overview screen 

  3. Click Firewall Settings in the list 

  4. On the left pane, select Profiles  

  5. If it is not already open, double-click (or click the + beside) on the Profile that describes how your computer is connected to the Internet:

    • "Directly connected to the Internet" is appropriate for desktop home computers directly connected to the Internet (without going through any hardware based security) or for notebooks connected through an unsecured network (such as in an Internet cafe or hotel room); or

    • "Computer within Domain" is appropriate for computers on a local business network that is professionally administered and protected by some network security measures; or

    • "Small home or office Network" (or "Standalone Computer") is most common and is appropriate for computers on a home or small office network that may share devices such as printer or scanner, but the network is not centrally administered. 

  6. Double-click (or click the + beside) to open Applications beneath the appropriate Profile:

    • If CTI Navigator is in the list of Applications > select CTI Navigator and go to step 7 below.

    • If CTI Navigator is not in the list of Applications, click the Add button > browse (...) to and select CTI Navigator.exe (see program location note below)

  7. Under Action: select Allow for All  (do not select "Allow for Safe") 

  8. Click OK. 

Program Location Note. The default location for CTI Navigator.exe  is "C:\Program Files\CTI Navigator\"  in 32-bit versions of Windows, and "C:\Program Files (x86)\CTI Navigator\"  in 64-bit versions of Windows.


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To configure the firewall in AVG 7.5 Internet Security:

  1. Open the AVG Control Center (double-click on the AVG icon)

  2. Select Firewall in the Component list

  3. Click the Configure button

  4. Select the Applications tab

  5. Click the Add Application button

  6. Browse (click ...) to and select C:\Program Files\CTI Navigator\CTI Navigator.exe

  7. Under Action: select Allow 

  8. Click OK.

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To configure the firewall in AVG 7.1 AntiVirus Plus Firewall:

  1. Open the AVG Control Center (right-click on AVG tray icon and select "Launch Control Center")

  2. Select AVG Firewall and click the Configure button

  3. On the AVG Firewall Configuration screen, select the Applications tab

  4. Click the "Add Application" button

  5. Browse (click ...) to and select C:\Program Files\CTI Navigator\CTI Navigator.exe

  6. Under Action: select Allow 

  7. Click OK

  8. Select CTI Navigator in the Application list

  9. Under "If there is no rule for an application," confirm/select Allow 

  10. Click OK button.

For some older AVG installations (see note 1 below), the Web Shield feature may need to be at least partially disabled as follows:

  1. Open the AVG Control Center (double-click on the AVG icon)

  2. Select Components in the top menu

  3. Select Web Shield

  4. Check Enable Web Shield (if you want to enable Instant Messaging scanning > go to step 5; 

    otherwise un-check "Enable Web Shield" to disable both IM scanning and Web Protection > go to step 7)

  5. Select Web tab

  6. Under "Basic Web Settings," un-check "Web Protection"

  7. Click OK. 

Note 1: You do not normally need to disable the AVG Web Shield (or Resident Shield) unless CTI's Internet functions are blocked (such as when "Switch to or Retry" or "Can't connect to server" errors occur at login or update). Before disabling a Shield, ensure that your firewall (AVG's or Windows, whichever is active) is configured to allow CTI Navigator through. 

To use the Windows XP firewall instead of AVG's firewall, see "Configure Security in Windows and Vista" in the related articles below. 

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Note 2: AVG Free Edition does not have a Firewall or Web Shield, so it does not normally interfere with Internet access.

AVG Anti_Virus Free

However, if you experience an otherwise unexplainable error e-mailing MLS reports (see "Fix Email errors" in related articles below) or e-mail reports are missing links (see Configure Security in Outlook Express or Office Outlook in related articles below), you may need to configure AVG's E-mail scanning (in the free edition or subscription edition) so it does not scan outgoing e-mail (see "Disable scanning of Outgoing e-mail" in related articles below).  

Note 3. Never have more than one firewall active at a time (e.g., do not run Windows' firewall if running AVG's firewall).

Related articles and Internet links:  

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rev. 07.30.2012