Question

Q: Blue screen error - Stop 7F Error

original title: BSOD - Stop 7F Error
I need some help with a Stop 7F error that I've been getting continuously. I typically get this a few times a week.

It generally occurs when the computer is left idle for a while and is not locked. Other times it has happened randomly while I'm watching a movie, on the phone (I use magicjack) or just generally using the computer.

Here are the details of the latest error. I can also provide the dump files if necessary.


BugcheckCode 127


BugcheckParameter1 0x8


BugcheckParameter2 0x80050031


BugcheckParameter3 0x6f8


BugcheckParameter4 0xfffff8000328beb0

Thanks

Answer

A:

Hi,

ZA can cause this because like all cheap 3rd party firewalls they are errors waiting to happen.
Best to uninstall it and use the Windows Firewall.

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Do you have ZoneAlarm or any 3rd party firewall installed? If so that could be the cause.
Other antivirus/security programs could be at least partially responsible.

This Hotfix "Might" apply however do not use unless you are fairly sure.

Using two Windows Filtering Platform (WFP) drivers causes a computer to crash when the
computer is running Windows Vista, Windows 7, or Windows Server 2008
http://support.microsoft.com/kb/979278

Also check these :

Stop error message when you run an application that transfers data by using the UDP protocol
in Windows Server 2008 R2 or in Windows 7: "STOP 0x0000007F
http://support.microsoft.com/kb/981180/

General causes of "STOP 0x0000007F" errors (applies to Vista and Windows 7 as well)
http://support.microsoft.com/kb/137539

===========================================================

For BlueScreen troubleshooting methods using BlueScreenView and MyEventViewer see my replies
if this thread - top 3 answers (+1 other).

http://social.answers.microsoft.com/Forums/en-US/w7repair/thread/c675b7b8-795f-474d-a1c4-6b77b3fcd990

We can analyze the minidumps if you make them available from the SkyDrive or other file
sharing sites.

Zip or upload the contents of C:\Windows\minidump

Use SkyDrive to upload collected files and post screen shot/picture.
http://social.technet.microsoft.com/Forums/en-US/w7itproui/thread/4fc10639-02db-4665-993a-08d865088d65

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References to Vista also apply to Windows 7.

BCCode: 7f 0x0000007f with the 00000008 parameter usually means a hardware issue.

Have you added hardware or updated drivers recently? Check Control Panel - Windows
Updates to see if any drivers have been updated there just before this started happening.

For 7f - this could be a hardware issue such as poorly seated cards or memory, though there are
other causes. Weak powersupply could also lead to this. Use the troubleshooters above and below
and when you get to the  drivers and memory sections refer to my next message below and then
return to the troubleshooters if needed

If a PC remove ALL power. Open case, remove and reseat ALL cards, memory chips, and ALL
cables (do not just try to snug) on both ends if they can be reached and on the device ends if not
(removing the cables and reseating them helps to eliminate minor corrosion).

Notice the 08 (double fault) as 1st parameter means there are likely two causes. Be sure to Update
your drivers manually as using Windows Updates only finds certified drivers and Microsoft and
the Device makers are far behind in that proces. Update NIC, WiFi, BIOS and Video/Display and
other major drivers

If a Laptop or a PC you might have to take to a shop (not BestBuy or other BigBox Stores) or your
System maker's Support.

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BCCode: 7F   0x0000007F  which is the same as 0x1000007F

The UNEXPECTED_KERNEL_MODE_TRAP bug check has a value of 0x0000007F. This bug check indicates that the Intel CPU generated a trap and the kernel failed to catch this trap.

This trap could be a bound trap (a trap the kernel is not permitted to catch) or adouble fault(a fault that occurred while processing an earlier fault, which always results in a system failure).

Parameters

The first parameter that appears on the blue screen specifies the trap number.

The most common trap codes include the following:

  • 0x00000000, or Divide by Zero Error, indicates that a DIV instruction is executed and the divisor is zero. Memory corruption, other hardware problems, or software failures can cause this error.
  • 0x00000004, or Overflow, occurs when the processor executes a call to an interrupt handler when the overflow (OF) flag is set.
  • 0x00000005, or Bounds Check Fault, indicates that the processor, while executing a BOUND instruction, finds that the operand exceeds the specified limits. A BOUND instruction ensures that a signed array index is within a certain range.
  • 0x00000006, or Invalid Opcode, indicates that the processor tries to execute an invalid instruction. This error typically occurs when the instruction pointer has become corrupted and is pointing to the wrong location. The most common cause of this error is hardware memory corruption.
  • 0x00000008, or Double Fault, indicates that an exception occurs during a call to the handler for a prior exception. Typically, the two exceptions are handled serially. However, there are several exceptions that cannot be handled serially, and in this situation the processor signals a double fault. There are two common causes of a double fault

CAUSE

Bug check 0x7F typically occurs after you install a faulty or mismatched hardware (especially memory) or if installed hardware fails.

A double fault can occur when the kernel stack overflows. This overflow occurs if multiple drivers are attached to the same stack. For example, if two file system filter drivers are attached to the same stack and then the file system recurses back in, the stack overflows.

Resolving the Problem

Troubleshooting: If you recently added hardware to the computer, remove it to see if the error recurs. If existing hardware has failed, remove or replace the faulty component. Run hardware diagnostics that the system manufacturer supplies to determine which hardware component failed.

The memory scanner is especially important. Faulty or mismatched memory can cause this bug check. For more informaiton about these procedures, see the owner's manual for your computer. Check that all adapter cards in the computer are properly seated. Use an ink eraser or an electrical contact treatment, available at electronics supply stores, to ensure adapter card contacts are clean.

If the error appears on a newly installed system, check the availability of updates for the BIOS, the SCSI controller, or network cards. These kind of updates are typically available on the Web site or BBS of the hardware manufacturer.

Confirm that all hard disk drives, hard disk controllers, and SCSI adapters are listed in the Microsoft Windows Marketplace Tested Products List.

If the error occurred after the installation of a new or updated device driver, you should remove or replace the driver. If, under this circumstance, the error occurs during the startup sequence and the system partition is formatted with NTFS, you might be able to use Safe Mode to rename or delete the faulty driver. If the driver is used as part of the system startup process in Safe Mode, you have to start the computer by using the Recovery Console in order to access the file.

Also restart your computer, and then press F8 at the character-based menu that displays the operating system choices. At theAdvanced Options menu, select theLast Known Good Configuration option. This option is most effective when you add only one driver or service at a time.

Overclocking (setting the CPU to run at speeds above the rated specification) can cause this error. If you have overclocked the computer that is experiencing the error, return the CPU to the default clock speed setting.

Check the System Log in Event Viewer for additional error messages that might help identify the device or driver that is causing the error. You can also disable memory caching of the BIOS to try to resolve the problem.

If you encountered this error while upgrading to a new version of the Windows operating system, the error might be caused by a device driver, a system service, a virus scanner, or a backup tool that is incompatible with the new version. If possible, remove all third-party device drivers and system services and disable any virus scanners before you upgrade. Contact the software manufacturer to obtain updates of these tools. Also make sure that you have installed the latest Windows Service Pack.

Finally, if all the above steps do not resolve the error, take the system motherboard to a repair facility for diagnostic testing. A crack, a scratched trace, or a defective component on the motherboard can also cause this error.


BCCode: 7F   0x0000007F  which is the same as 0x1000007F  <-- read this link
http://www.faultwire.com/solutions-fatal_error/Run-a-system-diagnostic-utility-supplied-by-your-0x1000007F-*1304.html

==========================================

Look in the Event Viewer to see if anything is reported about those.
http://www.computerperformance.co.uk/vista/vista_event_viewer.htm

MyEventViewer - Free - a simple alternative to the standard event viewer of Windows.
TIP - Options - Advanced Filter allows you to see a time frame instead of the whole file.

http://www.nirsoft.net/utils/my_event_viewer.html

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Here are some methods to possibly fix the blue screen issue. If you could give the Blue Screen
info that would help. Such as the BCC and the other 4 entries on the lower left. And any other
error information such as STOP codes and info such as IRQL_NOT_LESS_OR_EQUAL or PAGE_FAULT_IN_NONPAGED_AREA and similar messages.

As examples :

BCCode: 116
BCP1: 87BC9510
BCP2: 8C013D80
BCP3: 00000000
BCP4: 00000002

or in this format :

Stop: 0x00000000 (oxoooooooo oxoooooooo oxooooooooo oxoooooooo)
tcpip.sys - Address 0x00000000 base at 0x000000000 DateStamp 0x000000000


This is an excellent tool for posting Blue Screen Error Information

BlueScreenView scans all your minidump files created during 'blue screen of death'
crashes, and displays the information about all crashes in one table - Free

http://www.nirsoft.net/utils/blue_screen_view.html


Many BlueScreens are caused by old or corrupted drivers, especially video drivers however
there are other causes.

You can do these in Safe Mode if needed or from Command Prompt from Vista DVD or
Recovery Options if your system has that installed by the maker.

How to Boot to the System Recovery Options in Windows 7
http://www.sevenforums.com/tutorials/668-system-recovery-options.html

You can try a System Restore back to a point before the problem started if there is one.

How to Do a System Restore in Windows 7
http://www.sevenforums.com/tutorials/700-system-restore.html

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Start - type this in Search Box ->  COMMAND   find at top and RIGHT CLICK  -  RUN AS ADMIN

Enter this at the prompt - sfc /scannow

How to Repair Windows 7 System Files with System File Checker
http://www.sevenforums.com/tutorials/1538-sfc-scannow-command-system-file-checker.html

How to analyze the log file entries that the Microsoft Windows Resource Checker (SFC.exe) program
generates in Windows Vista cbs.log (and Windows 7)
http://support.microsoft.com/kb/928228


The log might give you the answer if there was a corrupted driver. (Does not tell all the possible
driver issues).

Also run CheckDisk so we can rule out corruption as much as possible.

How to Run Check Disk at Startup in Windows 7
http://www.sevenforums.com/tutorials/433-disk-check.html

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Often updating drivers will help, usually Video, Sound, Network Card  (NIC), WiFi, 3rd party
keyboard and mouse, as well as other major device drivers.

Manually look at manufacturer's sites for drivers - and Device Maker's sites.
http://pcsupport.about.com/od/driverssupport/ht/driverdlmfgr.htm

Installing and updating drivers in 7 (updating drivers manually using the methods above is preferred
to ensure the latest drivers from System maker and Device makers are found)
http://www.sevenforums.com/tutorials/43216-installing-updating-drivers-7-a.html

How To Disable Automatic Driver Installation In Windows Vista - Drivers
http://www.addictivetips.com/windows-tips/how-to-disable-automatic-driver-installation-in-windows-vista/
http://technet.microsoft.com/en-us/library/cc730606(WS.10).aspx

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How to fix BlueScreen (STOP) errors that cause Windows Vista to shut down or restart
unexpectedly
http://support.microsoft.com/kb/958233

Troubleshooting Vista Blue Screen, STOP Errors (and Windows 7)
http://www.chicagotech.net/vista/vistabluescreen.htm

Understanding and Decoding BSOD (blue screen of death) Messages
http://www.taranfx.com/blog/?p=692

Windows - Troubleshooting Blue Screen Errors
http://kb.wisc.edu/page.php?id=7033

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In some cases this might be required.

StartUp Repair from Recovery Options or Windows 7 disk

How to Run a Startup Repair in Windows 7
http://www.sevenforums.com/tutorials/681-startup-repair.html

How to Boot to the System Recovery Options in Windows 7
http://www.sevenforums.com/tutorials/668-system-recovery-options.html

How to Create a Windows 7 System Repair Disc
http://www.sevenforums.com/tutorials/2083-system-repair-disc-create.html

How to Do a Repair Install to Fix Windows 7
http://www.sevenforums.com/tutorials/3413-repair-install.html

Hope this helps.

Rob Brown - Microsoft MVP - Windows and Devices for IT 2010 - current
Windows Insider MVP 2016 - current

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Views: 8,781 Last updated: June 8, 2018 Applies to: