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You use multiple monitors on a Windows Vista-based computer, on a Windows Vista Service Pack 1-based computer, or on a Windows Server 2008-based computer. Then, you use calibration tools or other programs to manipulate custom gamma settings. In this case, custom gamma settings may be lost after the fade-in effect is executed.
Note The fade-in effect is executed in the following scenarios:
Lock and unlock the computer.
Resume the computer from sleep.
Resume the computer from hibernate.
To resolve this issue, install the MS08-025 security update. For more information about the MS08-025 security update, click the following article number to view the article in the Microsoft Knowledge Base:
941693 MS08-025: Vulnerability in Windows Kernel could allow elevation of privilege
Windows Vista Enterprise 64-bit Edition, Windows Vista Home Basic 64-bit Edition, Windows Vista Home Premium 64-bit Edition, Windows Vista Ultimate 64-bit Edition, Windows Vista Business, Windows Vista Enterprise, Windows Vista Home Basic, Windows Vista Home Premium, Windows Vista Starter, Windows Vista Ultimate, Windows Vista Service Pack 1, Windows Server 2008 for Itanium-Based Systems, Windows Server 2008 Datacenter, Windows Server 2008 Enterprise, Windows Server 2008 Standard, Windows Web Server 2008