Article ID: 255151 - View products that this article applies to.
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IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/256986/EN-US/ )Description of the Microsoft Windows Registry
When you start Windows 2000, the mouse and keyboard may not respond. Your only options are to reset the computer or turn it off.
This behavior can occur if the Microsoft Windows NT 4.0 drivers for Logitech MouseWare have been installed. Installing MouseWare loads the following services and drivers:
The L8042prt.sys driver is copied to the %SystemRoot%\System32\Drivers folder.
The registry entry for the mouse and keyboard is changed to:
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
The fastest way to get mouse and keyboard functionality back is to use Recovery Console to replace the file, and then use Registry Editor to change the reference to the correct file:
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
(http://support.microsoft.com/kb/302971/EN-US/ )Stop 0x1E or Stop 0xc5 After You Install Service Pack 2 and You Use Logitech Mouse Drivers