The program window is black or you receive an "Access violation" error message when you run a program on a Windows XP-based computer

When you run a program on a Microsoft Windows XP-based computer, the program window may be black (or empty), or you may receive an "Access violation" error message.

This issue may occur if both of the following conditions are true:

• You are using an original released version of Microsoft Windows XP, and you have not installed any Windows XP service packs.
• You run a program that was intended for a computer that is much slower than the computer that you are currently using.

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language. The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

EmulateSlowCPU is a program-compatibility fix that is now available for the original released versions of Microsoft Windows XP Home Edition and Microsoft Windows XP Professional. This compatibility fix has been back-ported from Windows XP Service Pack 1 (SP1). You can apply this fix by using the Create Fix Wizard in the Windows Application Compatibility Toolkit. To download the Windows Application Compatibility Toolkit, visit the following Microsoft Web site:

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article.

For additional information about the Windows Application Compatibility Toolkit, click the following article number to view the article in the Microsoft Knowledge Base: For additional information, click the following article number to view the article in the Microsoft Knowledge Base: