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Windows 7: Recurring BSOD unknown reason, error STOP: 0x0000004A

24 Dec 2013   #1
Istafa

Windows 7 Professional 64bit
 
 
Recurring BSOD unknown reason, error STOP: 0x0000004A

My ASUS laptop is experiencing recurring BSODs, about twice a day, unpredictably.

Bug Check String: IRQL_GT-ZERO_At_SYSTEM_SERVICE

Bug Check Code: 0x0000004a

I have no idea what the problem is but it may be to do with an installation of NetNanny.

BlueScreenView, a program that reads dump files for me, tells me it most likely has something to do with ntoskrnl.exe, with adress in stack ntoskrnl.exe+6ede9

In the windows event log, this critical error has

source: Kernel-Power

event ID: 41

Task category (63)

Any help would be appreciated, many thanks in advance.

Please find attachedm my SF diagnostic tool grab all zip file.


My System SpecsSystem Spec
.
24 Dec 2013   #2
YoYo155

Windows 10
 
 

Welcome to SF Istafa .

The bugchecks appear to be caused by a device driver the common denominator is BitDefender,
more specifically its firewall driver. Please remove it.
Do you have another Anti-Virus software that I may have missed?

If you don't. For the time being and troubleshooting purposes use Microsoft Security Essentials.

Keep us posted.
My System SpecsSystem Spec
24 Dec 2013   #3
Istafa

Windows 7 Professional 64bit
 
 

I dont have any other antivirus apart from "windows firewall with advanced security" which came with the operating system but is turned off.

I am reluctant to delete bitdefender as i am not sure if i will lose the rest of my license as i payed for it.

I will find out that if you can keep your licence if you re-install and how first.

Are you sure it isnt to do with NetNanny which is an internet filtering software, which may also access the firewall?
My System SpecsSystem Spec
.

25 Dec 2013   #4
YoYo155

Windows 10
 
 

Quote   Quote: Originally Posted by Istafa View Post
I dont have any other antivirus apart from "windows firewall with advanced security" which came with the operating system but is turned off.

I am reluctant to delete bitdefender as i am not sure if i will lose the rest of my license as i payed for it.

I will find out that if you can keep your licence if you re-install and how first.

Are you sure it isnt to do with NetNanny which is an internet filtering software, which may also access the firewall?
I don't have a confirmation about that, but if it is like any other program I know of
the actual installation and license are independent of each other.

It may be the case are you willing to stop using NetNanny to test things out?
My System SpecsSystem Spec
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