Microsoft KB Archive/943768

= A program or service that requires network or internet connectivity does not work as expected after you install Windows Live OneCare =

Article ID: 943768

Article Last Modified on 10/27/2007

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APPLIES TO


 * Windows Live OneCare

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SYMPTOMS
After you install Windows Live OneCare, you may experience one or more of the following symptoms when using programs or services that require network or internet connectivity:
 * You cannot start a program or service, resulting in errors related to the network or internet connection.
 * A program or service that needs network or internet connectivity may not work as expected



CAUSE
This issue can occur if the Windows Live OneCare firewall blocks a program or service from connecting to the network or the internet.



RESOLUTION
To resolve this issue, use the following methods in the order that they appear in.

Method 1: Update the Windows Live OneCare firewall policy
To update the Windows Live OneCare firewall policy, start Windows Live OneCare, and then click Check for updates.

Note The firewall policy is a list of programs that the firewall uses to determine which programs can access the Internet. The firewall policy is updated when you update Windows Live OneCare.

Method 2: Verify that the program is allowed through the firewall
To verify that the program is allowed through the Windows Live OneCare firewall, follow these steps:  Start Windows Live OneCare. Under Quick links, click Change settings. On the Firewall tab, click Advanced settings. On the Programs tab, verify that the program or service appears in the list and is set to Allow. For more information about how to add and allow a program through the firewall, click the following article number to view the article in the Microsoft Knowledge Base:

943787 How to configure OneCare Firewall



Method 3: Remove third-party firewall programs
To remove any third-party firewall programs from the computer, follow these steps:
 * 1) In Windows XP, click Start, click Run, type Appwiz.cpl, and then click OK.

In Windows Vista, click Start, type Appwiz.cpl in the Start Search box, and then click Appwiz.cpl in the Programs list.
 * 1) In the list of installed programs, uninstall any Internet utilities, antivirus programs, or firewall programs.
 * 2) Restart the computer.

Method 4: Restore the default firewall settings
To restore the default firewall settings, follow these steps:
 * 1) Start Windows Live OneCare.
 * 2) Under Quick links, click Change settings.
 * 3) On the Firewall tab, click Advanced settings.
 * 4) Click Restore Defaults, click Yes, and then click OK two times.

Method 5: Verify that the program is not turned off when you start the computer
To resolve this issue, verify that the program is not turned off when you start the computer. If the program is turned off at startup, turn the program back on. To do this, follow these steps:
 * 1) Start Windows Live OneCare.
 * 2) Under Quick links, click Change settings.
 * 3) On the Tune-up tab, click Change startup settings.
 * 4) In the Turn off unused programs window, verify that the program is not configured to be turned off at startup. If the program is configured to be turned off at startup, click On, and then click OK.

Method 6: Contact the software manufacturer of the program to determine what ports and protocols must be manually configured to allow the application to connect to the network.
To resolve this issue, contact the software manufacturer of the program to determine whether the program uses a specific port or protocol that must be open in the OneCare firewall.

Once these ports and protocols have been identified, follow the instructions on the following web site to manually open the required ports and protocols for the application. For more information about how to open a port, visit the following Windows Live Web site:

http://help.live.com/Help.aspx?market=en-US&project=onecarev2&querytype=topic&query=OneCare_PROC_ports_and_protocols_Firewall.htm

