Microsoft KB Archive/930270

= On a Windows 2000-based computer, you cannot update a device driver that is installed together with a co-installer by using another driver that does not have a co-installer =

Article ID: 930270

Article Last Modified on 5/11/2007

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APPLIES TO


 * Microsoft Windows 2000 Datacenter Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Professional Edition

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SYMPTOMS
Consider the following scenario. You install a device driver together with a co-installer for a device on a Microsoft Windows 2000-based computer. Then, you try to update this device driver by using a new driver that does not have a co-installer. In this scenario, the update operation is not unsuccessful, and the device does not work. You may also receive an error message that states that no drivers are available for the device.

Note You do not experience this problem in Microsoft Windows XP or in Microsoft Windows Server 2003.



CAUSE
This problem occurs because the information that is related to co-installers is not removed from the registry at the time of the new driver update. When you install a new driver in Windows XP or in Windows Server 2003, the information about the target device is first removed from the registry. Then, the new information is written to the registry.



WORKAROUND
To work around this problem, follow these steps:
 * 1) Click Start, click Run, type sysdm.cpl in the Open box, and then click OK to open the System Properties dialog box.
 * 2) Click the Hardware tab, and then click Device Manager.
 * 3) Right-click the device that is affected by this issue, and then click Uninstall.
 * 4) When the confirmation message appears, select the driver software that you want to uninstall, and then click OK.
 * 5) Right-click the computer name in Device Manager, click Scan for hardware changes, and then follow the instructions on the screen to install the new driver.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For more information about driver co-installers, visit the following Microsoft Web sites:

http://msdn2.microsoft.com/en-us/library/ms790151.aspx

http://msdn2.microsoft.com/en-us/library/aa490024.aspx

Keywords: kbprb kbtshoot KB930270

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