Norton Antivirus 4.0 May Cause Windows Protection ErrorID: Q186351 
  | 
When you restart your computer after you enable the Check Floppies On
Reboot option in Norton Antivirus 4.0, you may receive the following error
message:
Windows Protection Error.
You need to restart your computer.
This behavior can occur if you are using a computer with a Matrox Millennium or Matrox Mystique video adapter.
To resolve this issue, obtain and install the latest drivers for your video adapter from Matrox.
The third-party product discussed in this article is manufactured by a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.
Additional query words: 98
Keywords          : kbdisplay kberrmsg win98 
Version           : WINDOWS:
Platform          : WINDOWS 
Issue type        : kbprb 
Last Reviewed: February 4, 1999