Article ID: 184350 - View products that this article applies to.
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During the installation of Corel WordPerfect Suite 6.0 on a system with multiple CD-ROM drive letters, Setup will return the following error message:
General Protection Fault in krnl386.exe
This problem only happens if there is more than one CD-ROM drive letter present.
Like many applications, Corel's Setup program calls Int2f 1500 first, which returns the count of CD-ROM drive letters and the first drive letter. Corel goes a step further and calls Int2f 150d, passing a pointer to a buffer in ES:bx to receive a byte array of the CD-ROM drive "letters" (A=0,and so on). This is where the problem occurs; the Windows NT DPMI server does not translate buffers for MSCDEX calls in protective mode. Instead, the interrupt is reflected to v86 mode with whatever ES register happened to be in the v86-mode state from the last time it transitioned to PM. So, some random bit of the low 1 MB of memory (often krnl386 or ntdos code or data) is replaced with the sequence of drive letters.
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/152734/EN-US/ )How to Obtain the Latest Windows NT 4.0 Service Pack
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.
WordPerfect is manufactured by Corel Corporation, a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.
Article ID: 184350 - Last Review: October 7, 2013 - Revision: 1.1
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