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Firewall automatically shuts down.

My PC is 2 yrs old, uses XP Home Edition, Windows firewall, AVG Free edition, and it has been virtually trouble free it's entire life. Recently though, when I boot up, I've been getting a warning that my firewall has been disabled. Usually I can go to the security center and turn it back on. However, this morning it wouldn't let me turn it back on, so I disconnected from the modem, paced around for a while, then plugged it back in, and presto, it works. It hardly seems secure that the firewall that's supposed to be protecting me shuts itself off during the night. Is this a common problem with Microsoft, and would I be wise to use a different firewall? I sort of wish my PC had given me more problems so I would be more adept at repairing it. Thanks for any help you can give.

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Try this

In reply to: Firewall automatically shuts down.

See if the provided solutions in this articles will help solve the issue:

You cannot turn on or turn off the Windows Firewall setting on a Windows XP Service Pack 2-based computer

would I be wise to use a different firewall?
No problem if you will use a different firewall (if you want 2 way firewall) but if you are fine with how Windows Firewall in XP SP2 works then I think you can try to resolve it first.

You may also try to try the troubleshooting instruction for Windows Firewall mentioned in this article by Microsoft

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Article doesn't specifically address my problem.

In reply to: Try this

Thanks for replying Donna, but the trouble shooting article doesn't talk about the firewall turning itself off. The problem doesn't happen everyday, in fact it's probably only happened 4 or 5 times. I was worried that someone on the outside was tampering with my PC and shutting it down, if that's even possible. Today was the only time the security center wouldn't let me turn it on manually. It's pretty weird, at least to me it is.

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In reply to: Article doesn't specifically address my problem.

Did you try the other article - http://support.microsoft.com/kb/914230 ?
I thought that article applies to you since you mentioned earlier that it wouldn't let you turn on the firewall again. You might want to give it a try.

The troubleshooting in the other article will allow you to examine if there's any problem with it:

Troubleshooting the firewall
Along with program compatibility issues, the Windows Firewall may experience other problems. Follow these steps to diagnose problems: 1. To verify that TCP/IP is functioning correctly, use the ping command to test the loopback address ( and the assigned IP address.
2. Verify the configuration in the user interface to determine whether the firewall has been unintentionally set to Off or On with No Exceptions.
3. Use the netsh commands for Status and Configuration information to look for unintended settings that could be interfering with expected behavior.
4. Determine the status of the Windows Firewall/Internet Connection Sharing service by typing the following at a command prompt:
sc query sharedaccess
(The short name of this service is SharedAccess.) Troubleshoot service startup based on the Win32 exit code if this service does not start.
5. Determine the status of the Ipnat.sys firewall driver by typing the following at a command prompt:
sc query ipnat
This command also returns the Win32 exit code from the last start try. If the driver is not starting, use troubleshooting steps that would apply to any other driver.
6. If the driver and service are both running, and no related errors exist in the event logs, use the Restore Defaults option on the Advanced tab of Windows Firewall properties to eliminate any potential problem configuration.
7. If the issue is still not resolved, look for policy settings that might produce the unexpected behavior. To do this, type GPResult /v > gpresult.txt at the command prompt, and then examine the resulting text file for configured policies that are related to the firewall.


Give it a try too and let us know how it goes.


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