DOCUMENT:Q234557 TITLE :Executable with a Specially-Malformed Image Header May Crash Windows NT PRODUCT :Windows NT PROD/VER:4.0 OPER/SYS:WINDOWS NT KEYWORD :kbbug4.00 kbfix4.00 ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Workstation versions 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3, 4.0 SP4 - Microsoft Windows NT Server versions 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3, 4.0 SP4 - Microsoft Windows NT Server, Enterprise Edition versions 4.0, 4.0 SP4 - Microsoft Windows NT Server version 4.0, Terminal Server Edition ------------------------------------------------------------------------------- SYMPTOMS ======== If an executable file with a specially-malformed image header is executed, it will cause a system failure and you may receive the following STOP error message on a blue screen: STOP 0x0000000A IRQ_not_less_or_equal or STOP 0x00000050 PAGE_FAULT_IN_NON_PAGED_AREA RESOLUTION ========== Windows NT ---------- To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual fix. For information on obtaining the latest service pack, please go to: - http://www.microsoft.com/Windows/ServicePacks/ -or- - Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack For information on obtaining the individual fix, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web: http://www.microsoft.com/support/supportnet/overview/overview.asp This hotfix has been posted to the following Internet location as Krnlifxi.exe (x86) and Krnlifxa.exe (Alpha): ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/nt40/ Hotfixes-PostSP4/Kernel-fix/ Terminal Server --------------- A supported fix that corrects this problem is now available from Microsoft, but it has not been fully regression tested and should be applied only to systems experiencing this specific problem. If you are not severely affected by this specific problem, Microsoft recommends that you wait for the next Windows NT 4.0, Terminal Server Edition service pack that contains this fix. To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web: http://www.microsoft.com/support/supportnet/overview/overview.asp The English version of this fix should have the following file attributes or later: Date Time Size File name Platform ------------------------------------------------------------- 06/07/99 06:46p 365,840 Ntdll.dll x86 06/19/99 04:40p 992,448 Ntkrnlmp.exe x86 06/19/99 04:39p 971,584 Ntoskrnl.exe x86 06/03/99 01:19p 611,600 Ntdll.dll Alpha 06/19/99 04:43p 1,461,504 Ntkrnlmp.exe Alpha 06/19/99 04:43p 1,459,712 Ntoskrnl.exe Alpha This hotfix has been posted to the following Internet location as Krnlifxi.exe (x86) and Krnlifxa.exe (Alpha): ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/nt40tse/ Hotfixes-PostSP4/Kernel-fix/ NOTE: If this product was already installed on your computer when you purchased it from the Original Equipment Manufacturer (OEM) and you need this fix, please call the Pay Per Incident number listed on the above Web site. If you contact Microsoft to obtain this fix, and if it is determined that you only require the fix you requested, no fee will be charged. However, if you request additional technical support, and if your no-charge technical support period has expired, or if you are not eligible for standard no-charge technical support, you may be charged a non-refundable fee. For more information about eligibility for no-charge technical support, see the following article in the Microsoft Knowledge Base: Q154871 Determining If You Are Eligible for No-Charge Technical Support STATUS ====== Windows NT 4.0 -------------- Microsoft has confirmed this to be a problem in Windows NT 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 5. Terminal Server --------------- Microsoft has confirmed this to be a problem in Windows NT Server 4.0, Terminal Server Edition. MORE INFORMATION ================ This error condition does not affect Microsoft Windows 95 or Microsoft Windows 98. For related information on this problem, please visit the Web site at: http://www.microsoft.com/security/bulletins/MS99-023.asp For additional security-related information about Microsoft products, please visit the Web site at: http://www.microsoft.com/security/ Additional query words: DoS denial of service ============================================================================ THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 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