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Windows 7: BSOD at welcome screen

10 Feb 2013   #1

Window 7 Ultimate x32
BSOD at welcome screen

I see the welcome screen thing loads for like 10 seconds and then it goes BSOD.
System Spec:
Windows 7 Ultimate 32bit

My System SpecsSystem Spec
10 Feb 2013   #2

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit

Hello sisiusstar.

Install Service pack 1.
Windows 7 Kernel Version 7600 MP (2 procs) Free x86 compatible
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7600.16617.x86fre.win7_gdr.100618-1621
Learn how to install Windows 7 Service Pack 1 (SP1)
Service Pack Center - Microsoft Windows

It is caused by ESET Personal Firewall Driver. Description here: Driver Reference Table - epfwwfp.sys
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *

Use !analyze -v to get detailed debugging information.

BugCheck A, {0, 2, 1, 833133b6}

*** WARNING: Unable to verify timestamp for epfwwfp.sys
*** ERROR: Module load completed but symbols could not be loaded for epfwwfp.sys
Probably caused by : epfwwfp.sys ( epfwwfp+30b4 )

Followup: MachineOwner
And that is very old.
9a9bb000 9a9c9000   epfwwfp  T (no symbols)           
    Loaded symbol image file: epfwwfp.sys
    Image path: \SystemRoot\system32\DRIVERS\epfwwfp.sys
    Image name: epfwwfp.sys
    Timestamp:        Fri Sep 11 10:36:57 2009 (4AA9DAF1)
    CheckSum:         0001794A
    ImageSize:        0000E000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4
Either update the Version of your antivirus; or uninstall it. Use Microsoft Security Essentials as your antivirus with windows inbuilt firewall, and free MBAM as the on demand scanner.
Download, install and update those, and then run full system scans with both of them, one by one.

Daemon Tools, Alcohol 120% and Power Archiver Pro uses SCSI Pass Through Direct (SPTD), which is a well known BSOD causer. Uninstall Daemon Tools at first. Then download SPTD standalone installer from, and execute the downloaded file as guided below :
  • Double click to open it.
  • Click this button only:
  • If it is grayed out, as in the picture, there is no more SPTD in your system, and you just close the window.
Free up the startup.
  1. Click on the Start button
  2. Type “msconfig (without quotes), click the resulting link. It will open the System Configuration window.
  3. Select the “Startup” tab.
  4. Deselect all items other than the antivirus.
  5. Apply > OK
  6. Accept the restart.
Let us know the results.
My System SpecsSystem Spec
10 Feb 2013   #3

Window 7 Ultimate x32

Thanks for your help ! Uninstalling ESET solve the BSOD problem. ESET has been fine all along, wonder why it causes BSOD all of a sudden.
My System SpecsSystem Spec

10 Feb 2013   #4

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit

Quote   Quote: Originally Posted by siriusstar View Post
Thanks for your help ! Uninstalling ESET solve the BSOD problem. ESET has been fine all along, wonder why it causes BSOD all of a sudden.
Nice to know that it solved your problem.

As the program was too old, and it is set up to startup alongwith windows, it was causing some conflicts there.

BTW, you should uninstall SPTD.sys, too. It and Daemon tools cause a very nasty problem at startup, which is most common.
My System SpecsSystem Spec

 BSOD at welcome screen

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