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Windows 7: BSOD - 0x0F4 can't login in Windows

04 Oct 2014   #11

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit

Neither of the crash dumps are strop 0xF4, both of them are stop 0x4A.
BugCheck 4A, {7737132a, 2, 0, fffff880092c6b60}

Probably caused by : ntkrnlmp.exe ( nt!KiSystemServiceExit+245 )

Followup: MachineOwner
And, both of them have another thing common. They are blaming BitDefender for it.
fffff880`0a87a838 fffff880`02ed1a9aUnable to load image \??\C:\Program Files\Common Files\Bitdefender\Bitdefender Firewall\bdfwfpf.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for bdfwfpf.sys
*** ERROR: Module load completed but symbols could not be loaded for bdfwfpf.sys
You said safe mode does not work, too? Let us take another way to try to keep BitDefender away during startup. Boot to System Recovery Options . Try Safe Mode with Command Prompt. In the command prompt .... enter the command ....
start msconfig
It will open the system configuration window, with the "general" tab selected.
  • Click the "startup" tab. Click "Disable all" > Apply > OK.
  • Click on "services" tab. Check the "Hide all Microsoft Services"; Click "Disable all" > Apply > OK
Then try to boot again normally. Is it failing still? Let us know.

If it still fails, wi will have very limited options left.

My System SpecsSystem Spec
05 Oct 2014   #12

windows 7 home premium 64 bit

Why it displays this STOP: 0xF4 then if it's a different error?

The Safe Mode with Command Prompt, from F8 menu is not working... it stops at CLASSPNP.SYS everytime!

It works from System Recovery Options but the command 'start msconfig' is not working: Windows cannot find msconfig'.

Is this because the App Path MSConfig.exe is missing? Is it possible to create a new one? I understand that normally is shoud be located in Windows\pchealth\helpctr\binaries\msconfig.exe but, I looked at it from the Bitdefender Rescue Mode with the Disks option and, at this location, in PCHEALTH, there is a directory named ERRORREP of 0 bytes...

What options do I still have? I want to give this all the shots before the last drastic one... like someone said, it's not possible to rebuilt all the house because of a plumbing problem...

Thanks for the contribution & suggestions!
My System SpecsSystem Spec
05 Oct 2014   #13

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit

The victim as stated in the dumps is the bitdefender antivirus. If its file system monitoring mechanism is involved too, then the stop 0xF4 BSODs are most possible.

Now, as all the other ways are failing, follow this guide, from the beginning to the end: Troubleshooting Windows 7 Failure to Boot

Does it make any change there? Let us know.
My System SpecsSystem Spec

05 Oct 2014   #14

windows 7 home premium 64 bit

Meanwhile, I was did this:

with no success...

After, I did this:

Mike's Technology and Finance Blog: How to Perform an Offline System Integrity Verification

also with no success! I really don't know why the msconfig doesn't work for me!

Is there any way that I can stop Bitdefender to start? What if I try to delete some of its files ( or all of them? ), will it fail to load or I can make a bigger dammage?
My System SpecsSystem Spec
05 Oct 2014   #15

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit

If you cannot access even safe mode with command prompt, there is no way that you can stop bitdefender.

If the link I posted in post #13 does not work, too, then you will have only one option remained ... to perform a clean reinstall.
My System SpecsSystem Spec
07 Oct 2014   #16

windows 7 home premium 64 bit

Hello, I started the guide you suggested...

I already performed a full scan with Windows Defender Offline as on post #3, which found an infection with an trojan and removed it:

Attachment 335892

I've ordered a sata usb cable to have my hdd scanned for malware from another machine. I downloaded an Win7 installer and made a bootable DVD... I'm planning to move all my data somewhere else, I saw that I don't have enough space on the other machine so I was thinking to buy an external hdd. While searching for smth like this, I thought of a SSD - which I was planning to buy right after I bought the laptop and... didn't.

One question, please: what if I transfer the OS as it is to the SSD ( using another computer ), will it behave the same on the SSD like is doing now? I suppose yes, as it is only moving the location of an already affected windows, but are there any chances to at least boot into windows and solve the problem from there?

Thanks for your time!
My System SpecsSystem Spec
07 Oct 2014   #17

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit

You can try to transfer the existing installation to another disc, but it will be always good to start afresh. Specially when the existing installation is suffering from some issues.
My System SpecsSystem Spec

 BSOD - 0x0F4 can't login in Windows

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