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Internet Explorer Causes BSOD

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I was wondering if anyone could shed some light on an issue several of my users are facing. When they are attempting to access or are browsing the internet (using IE 5.5 or 6.0 sp1) they intermittently receive a blue screen (Stop: 0x0000007f, Unexpected_Kernel_Mode_Trap). I've run the repair on IE updated/re-install O.S. and IE service packs and patches and searched MS KB and this site. Any ideas would be great.

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by ann777

Stop 0x0000007F or UNEXPECTED_KERNEL_MODE_TRAP
The Stop 0x7F message indicates that one of three types of problems occurred in kernel-mode:

A condition that the kernel is not allowed to have or intercept (also known as a bound trap).
Software problems.
Hardware failures.
Interpreting the Message
This Stop message has four parameters:

Processor exception code.
This value is 0x00000000 (zero).
This value is 0x00000000 (zero).
This value is 0x00000000 (zero).
The first parameter is the most important and can have several different values, indicating different causes of this error. You can find all conditions that cause a Stop 0x7F in any x86 microprocessor reference manual because they are specific to the x86 platform. Here are some of the most common exception codes:

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by ann777

0x00000000, or a divide by zero error, occurs when a divide (DIV) instruction is run and the divisor is 0. Memory corruption, other hardware failures, or software problems can cause this message.
0x00000004, or Overflow, occurs when the processor carries out a call to an interrupt handler when the overflow (OF) flag is set.
0x00000005, or Bounds Check Fault, indicates that the processor, while carrying out a BOUND instruction, found that the operand exceeded the specified limits. BOUND instructions are used to ensure that a signed array index is within a certain range.
0x00000006, or Invalid Opcode, is generated when the processor attempts to run an invalid instruction. This typically occurs when the instruction pointer is corrupted due to a hardware memory problem and is pointing to a wrong location.
0x00000008, or Double Fault, indicates an exception while trying to call the handler for a prior exception. Normally, two exceptions can be handled serially, but there are certain exceptions (almost always caused by hardware problems) that cause the processor to signal a double fault.
Less common codes include:

0x00000001: A system-debugger call.
0x00000003: A debugger breakpoint.
0x0000000A: A corrupted Task StateSegment.
0x0000000B: An access to a memory segment that was not present.
0x0000000C:An access to memory beyond the limits of a stack.
0x0000000D: An exception not covered by some other exception; a protection fault that pertains to access violations for applications.

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by ann777

Resolving the Problem
The following suggestions are specific to Stop 0x7F errors. For additional troubleshooting suggestions that apply to all Stop errors, see "Stop Message Checklist" later in this appendix.

Stop 0x7F messages are typically due to defective, malfunctioning, or failed memory hardware. If you added new hardware recently, remove and replace it to determine if it is causing or contributing to the problem. Run diagnostics software supplied by the system manufacturer to determine if the component has failed.
Running the CPU beyond the rated specification, known as "overclocking," can cause Stop 0x7F or other error messages due to heat buildup. When diagnosing problems on overclocked systems, first restore all clock and bus speed settings to the manufacturer recommended values to determine if this resolves the issues.
The problem might also be due to cracks, scratched traces, or defective components on the motherboard. If all else fails, take the system motherboard to a repair facility for diagnostic testing.
Stop 0x7F messages can occur after installing incompatible applications, drivers, or system services. Contact the software manufacturer about possible Windows XP Professional-specific updates. Using updated software is especially important for backup programs, multimedia applications, antivirus scanners, and CD mastering tools.
For more information about Stop 0x7F messages, see the Microsoft Knowledge Base link on the Web Resources page at http://www.microsoft.com/windows/reskits/webresources. Search using keywords winnt, 0x0000007F, and 0x7F.

by ann777

Stop Message Checklist
Stop messages provide diagnostic information, such as Stop codes and driver names, that you can use to resolve the problem. However, this information disappears when you restart your computer. Therefore, it is important to record the information displayed for future reference. When a Stop message appears, you should do the following before restarting the system:

Record data in the Bugcheck information and Driver information sections for later reference.
Record and evaluate suggestions in the Recommended user action section. Stop messages typically provide troubleshooting tips relevant to the error.
Check the Stop message Debug port and dump status section (as shown in Figure C.1) to verify that Windows XPProfessional successfully dumped memory contents to the paging file and proceed with your troubleshooting efforts.
After you resolve the problem or at least able to start the computer, you can copy the memory dump file to another location, such asremovable media, for further evaluation. Analyzing memory dump files can assist you with identifying root causes by providing you with detailed information about the system state when the Stop message occurred. For more information about creating and analyzing memory dump files, see "Memory Dump Files" earlier in this appendix.

The preceding steps enable you to save important information that you can refer to when using the resources listed in "Stop Message Overview" earlier in this appendix.

Stop messages do not always point to the root of the problem, but they do provide important clues that you or a trained support technician can use to identify and troubleshoot a problem.

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by pc_doctor

WE ran into this. Generally these have been stable systems that "all of a sudden" become unstable. The problem lies in the way inwhich upgrades are applied to the Windows NT 4.0 systems. SP6a must be reapplied before you reboot after you have run Microsoft update. You may also run into problems with Microsoft Oulook throwing OLE errors and ceasing to work after installing IE 6. A rebuild avoiding IE 6 fixes the problem but it is extreme. I hae found no cleaner way to mop up after the updates if you have failed to reload the Service pack prior to reboot.

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