Error message when you start a Terminal Services session on a Windows Server 2003-based computer: "STOP: 0x00000050 (0xffffffe8, 0x00000001, 0x8083fb88, 0x00000000)"

When you try to start a Terminal Services session on a Microsoft Windows Server 2003-based computer, you may receive an error message that resembles the following:

This issue occurs because of a race condition that occurs in the Win32k.sys program. The race condition occurs when you use Cisco Security Agent (Csauser.dll) and try to start a Terminal Services session.

To resolve this issue, contact Cisco to obtain a fix for the issue.

For information about your hardware manufacturer, visit the following Web site: Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.

To work around this issue, remove Cisco Security Agent from the computer.

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.