A firewall that doesn't stay turned on

Bill Ross wonders why his Windows Firewall keeps getting turned off

Often when I switch on my computer, I get a message that the Windows Firewall is not turned on. As I never turn it off, I do not know how this happens.
Bill Ross

The two things most likely to turn off the Windows Firewall are (a) security suites from other companies; and (b) malware. Reboot your PC and run Panda's Anti Rootkit. Next, download and run the Kaspersky Virus Removal Tool. You should also check that you have all Windows Updates installed, and that third-party software is patched. Secunia offers a scanning tool for this, and I recommend running the desktop version, Personal Software Inspector. This type of inspection has become more important now that many web-based malware attacks target programs such as Apple QuickTime and RealPlayer.


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A firewall that doesn't stay turned on

This article was first published on guardian.co.uk at 01.08 GMT on Thursday 20 November 2008. It was last updated at 03.02 GMT on Thursday 27 November 2008.

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