When you set the screen resolution on your Microsoft Windows XP-based computer, and then you use the Fast User Switching feature, your screen resolution unexpectedly changes. For example, if you set the screen resolution to 1280 by 800 pixels, and then you use Fast User Switching, your screen resolution changes to 1024 by 768 pixels.

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Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

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Hotfix information

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. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

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, contact 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.

    Date         Time   Version            Size    File name	Platform
    --------------------------------------------------------------------
    12-Dec-2003  18:59  5.1.2600.1327      23,944  Tsddd.dll      IA-64
    12-Dec-2003  21:05  5.1.2600.1327      11,528  Wtsddd.dll     x86

   Date         Time   Version            Size    File name	Platform
   ---------------------------------------------------------------------
   12-Dec-2003  21:05  5.1.2600.1327      11,528  Tsddd.dll	x86        

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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Microsoft Windows XP Service Pack 2.

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For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

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