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Unending DPC Watchdog Violation?

tallica4eternity asked on
I have a Lenovo G780 laptop, and recently, I have not been able to log in at all without getting the BSOD. This causes my laptop to restart and it ends up in a continuous loop of restart after restart. The only way for me to log in successfully is to do a system restore

*The problem began to occur right after I downloaded DC Universe. I have since uninstalled it, but am still stuck with this problem.
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Patrick Barker replied on
Hi,

In order to assist you, we will need the DMP files to analyze what exactly occurred at the time of the crash, etc.

If you don't know where DMP files are located, here's how to get to them:

 1.    Navigate to the %systemroot%\Minidump folder.
 2.    Copy any and all DMP files in the Minidump folder to your Desktop and then zip up these files.
 3.    Upload the zip containing the DMP files to Skydrive or a hosting site of your choice and paste in your reply.

If you are going to use Skydrive but don't know how to upload to it, please visit the following:

http://www.wikihow.com/Use-SkyDrive

Please note that any "cleaner" programs such as TuneUp Utilities, CCleaner, etc, by default will delete DMP files upon use.

If your computer is not generating DMP files, please do the following:

1. Start > type %systemroot% which should show the Windows folder, click on it. Once inside that folder, ensure there is a Minidump folder created. If not, CTRL-SHIFT-N to make a New Folder and name it Minidump.

2. Windows key + Pause key. This should bring up System. Click Advanced System Settings on the left > Advanced > Performance > Settings > Advanced > Ensure there's a check-mark for 'Automatically manage paging file size for all drives'.

3. Windows key + Pause key. This should bring up System. Click Advanced System Settings on the left > Advanced > Startup and Recovery > Settings > System Failure > ensure there is a check mark next to 'Write an event to the system log'.

Ensure Small Memory Dump is selected and ensure the path is %systemroot%\Minidump.

4. Double check that the WERS is ENABLED:

Start > Search > type services.msc > Under the name tab, find Windows Error Reporting Service > If the status of the service is not Started then right click it and select Start. Also ensure that under Startup Type it is set to Automatic rather than Manual. You can do this by right clicking it, selecting properties, and under General selecting startup type to 'Automatic', and then click Apply.

If you cannot get into normal mode to do any of this, please do this via Safe Mode.

Regards,

Patrick
Debugger/Reverse Engineer.
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Patrick Barker replied on

You did, thanks!

Both of the attached DMP files are of the DPC_WATCHDOG_VIOLATION (133) bug check.

This bug check indicates that the DPC watchdog executed, either because it detected a single long-running deferred procedure call (DPC), or because the system spent a prolonged time at an interrupt request level (IRQL) of DISPATCH_LEVEL or above.

Usually the processes that go along with the crash are not relevant in most cases, but depending on what they are and their level of impact on the system, they can very well be. In your case, the process crash is important and it's consistent: PROCESS_NAME:  avgnsa.exe

^^
EXE in relation to AVG.

Remove and replace AVG with Windows 8's built-in Windows Defender for temporary troubleshooting purposes:

AVG removal tool - http://www.avg.com/us-en/utilities

Regards,

Patrick
Debugger/Reverse Engineer.
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