“Now that you’ve installed SP2, you might notice that some programs and devices work differently. Get help with drivers, software updates, settings, and other compatibility issues. Learn more about why some programs work differently with SP2.

IT Professionals: get help and support for deploying SP2

Hot topics about using programs and hardware with SP2

See if these popular articles can answer your questions. You can also read the most frequently reported issues and solutions to find out how address a problem.

Programs that may behave differently in Windows XP Service Pack 2
SP2 introduces a number of new features that help increase the performance and the security of your system. These changes also affect the operations and functionality of some programs. The programs that are listed in this article may experience issues after you upgrade to SP2.

Some programs seem to stop working after you install SP2
After you install SP2, some programs may seem not to work. By default, Windows Firewall is enabled and blocks unsolicited connections to your computer. This article discusses how to make an exception and enable a program to run by adding it to the list of exceptions.

How to use the Security Alert dialog box when it appears on your screen
When a program tries to use the resources or the ports on your system that are covered by Windows Firewall, a Security Alert dialog box appears. This article describes how to use the Security Alert dialog box when it appears on your screen.

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