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Thanks for the info, and the chkdsk log is clean.


Latest attached DMP file is of the DRIVER_IRQL_NOT_LESS_OR_EQUAL (d1) bugcheck.


This indicates that a kernel-mode driver attempted to access pageable memory at a process IRQL that was too high.


A driver tried to access an address that is pageable (or that is  completely invalid) while the IRQL was too high. This bug check is  usually caused by drivers that have used improper addresses.


[CODE]MODULE_NAME: memory_corruption


IMAGE_NAME:  memory_corruption


FOLLOWUP_NAME:  memory_corruption


MEMORY_CORRUPTOR:  STRIDE


FAILURE_BUCKET_ID:  X64_MEMORY_CORRUPTION_STRIDE


BUCKET_ID:  X64_MEMORY_CORRUPTION_STRIDE[/CODE]


Lots of memory_corruption. Given this is a *D1, I am curious if we are dealing with a device driver causing corruption. Let's enable Driver Verifier:


Driver Verifier:


What is Driver Verifier?


Driver Verifier is included in Windows 8, 7, Windows Server 2008 R2,  Windows Vista, Windows Server 2008, Windows 2000, Windows XP, and  Windows Server 2003 to promote stability and reliability; you can use  this tool to troubleshoot driver issues. Windows kernel-mode components  can cause system corruption or system failures as a result of an  improperly written driver, such as an earlier version of a Windows  Driver Model (WDM) driver.


Essentially, if there's a 3rd party driver believed to be at issue,  enabling Driver Verifier will help flush out the rogue driver if it  detects a violation.


Before enabling Driver Verifier, it is recommended to create a System Restore Point:


Vista - START | type rstrui - create a restore point

Windows 7 - START | type create | select "Create a Restore Point"

Windows 8 - Restore Point - Create in Windows 8


How to enable Driver Verifier:


Start > type "verifier" without the quotes > Select the following options -


1. Select - "Create custom settings (for code developers)"

2. Select - "Select individual settings from a full list"

3. Check the following boxes -

- Special Pool

- Pool Tracking

- Force IRQL Checking

- Deadlock Detection

- Security Checks (Windows 7 & 8)

- DDI compliance checking (Windows 8)

- Miscellaneous Checks

4. Select  - "Select driver names from a list"

5. Click on the "Provider" tab. This will sort all of the drivers by the provider.

6. Check EVERY box that is NOT provided by Microsoft / Microsoft Corporation.

7. Click on Finish.

8. Restart.


Important information regarding Driver Verifier:


- If Driver Verifier finds a violation, the system will BSOD.


- After enabling Driver Verifier and restarting the system, depending on  the culprit, if for example the driver is on start-up, you may not be  able to get back into normal Windows because Driver Verifier will flag  it, and as stated above, that will cause / force a BSOD.


If this happens, do not panic, do the following:


- Boot into Safe Mode by repeatedly tapping the F8 key during boot-up.


- Once in Safe Mode - Start > type "system restore" without the quotes.


- Choose the restore point you created earlier.

If you did not set up a restore point, do not worry, you can still disable Driver Verifier to get back into normal Windows:


- Start > Search > type "cmd" without the quotes.


- To turn off Driver Verifier, type in cmd "verifier /reset" without the quotes.

・    Restart and boot into normal Windows.


How long should I keep Driver Verifier enabled for?


It varies, many experts and analysts have different recommendations.  Personally, I recommend keeping it enabled for at least 24 hours. If you  don't BSOD by then, disable Driver Verifier.


My system BSOD'd, where can I find the crash dumps?


They will be located in %systemroot%\Minidump


Any other questions can most likely be answered by this article:

Using Driver Verifier to identify issues with Windows drivers for advanced users


Regards,


Patrick


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