Windows 8 and 8.1 Forums


BSOD everytime you boot into Windows, Can't get into OS.

  1. #1


    Posts : 11
    Windows 8 Pro 64 bit

    BSOD everytime you boot into Windows, Can't get into OS.


    Hi, I am dual booting Windows 8 and Windows 7 on separate partitions on my hard drive, so Windows 7 is working perfectly. So I am taking out the consideration of hardware failure since this is only happening to Windows 8. Ever since a Windows Update took place a few nights ago, it is impossible to boot into Windows 8 or boot into safe mode. I tried System Restore but my system didn't create any restore points -.- So I'm thinking Windows installed some sort of driver that is making an error every time it loads the OS. BSOD code is: IRQL_NOT_LESS_OR_EQUAL... Here is the dumps. Please someone help me. Thank you!

      My System SpecsSystem Spec

  2. #2


    bangalore
    Posts : 634
    Windows 8.1 professional x64 + WMC


    Uninstall your AVG antivirus. use the built in windows defender instead.

    Code:
    ********************************************************************************                                                                             *
    *                        Bugcheck Analysis                                    *
    *                                                                             *
    *******************************************************************************
    
    
    Use !analyze -v to get detailed debugging information.
    
    
    BugCheck A, {a8, 2, 1, fffff80205abf1cf}
    
    
    *** WARNING: Unable to verify timestamp for avgwfpa.sys
    *** ERROR: Module load completed but symbols could not be loaded for avgwfpa.sys
    Probably caused by : avgwfpa.sys ( avgwfpa+6286 )
    
    
    Followup: MachineOwner
    ---------
    
    
    1: kd> !analyze -v
    *******************************************************************************
    *                                                                             *
    *                        Bugcheck Analysis                                    *
    *                                                                             *
    *******************************************************************************
    
    
    IRQL_NOT_LESS_OR_EQUAL (a)
    An attempt was made to access a pageable (or completely invalid) address at an
    interrupt request level (IRQL) that is too high.  This is usually
    caused by drivers using improper addresses.
    If a kernel debugger is available get the stack backtrace.
    Arguments:
    Arg1: 00000000000000a8, memory referenced
    Arg2: 0000000000000002, IRQL
    Arg3: 0000000000000001, bitfield :
    	bit 0 : value 0 = read operation, 1 = write operation
    	bit 3 : value 0 = not an execute operation, 1 = execute operation (only on chips which support this level of status)
    Arg4: fffff80205abf1cf, address which referenced memory
    
    
    Debugging Details:
    ------------------
    
    
    
    
    WRITE_ADDRESS: GetPointerFromAddress: unable to read from fffff80205d6e168
    GetUlongFromAddress: unable to read from fffff80205d6e1f8
     00000000000000a8 Nonpaged pool
    
    
    CURRENT_IRQL:  2
    
    
    FAULTING_IP: 
    nt!KeAcquireSpinLockRaiseToDpc+1f
    fffff802`05abf1cf f0480fba2900    lock bts qword ptr [rcx],0
    
    
    CUSTOMER_CRASH_COUNT:  1
    
    
    DEFAULT_BUCKET_ID:  WIN8_DRIVER_FAULT
    
    
    BUGCHECK_STR:  AV
    
    
    PROCESS_NAME:  avgnsa.exe
    
    
    TRAP_FRAME:  fffff8800b61b600 -- (.trap 0xfffff8800b61b600)
    NOTE: The trap frame does not contain all registers.
    Some register values may be zeroed or incorrect.
    rax=0000000000000002 rbx=0000000000000000 rcx=00000000000000a8
    rdx=0000000000000000 rsi=0000000000000000 rdi=0000000000000000
    rip=fffff80205abf1cf rsp=fffff8800b61b790 rbp=fffffa800cdf8970
     r8=0000000000000006  r9=fffffa800cc9ef98 r10=0000fffffffff000
    r11=0000000000000000 r12=0000000000000000 r13=0000000000000000
    r14=0000000000000000 r15=0000000000000000
    iopl=0         nv up ei pl zr na po nc
    nt!KeAcquireSpinLockRaiseToDpc+0x1f:
    fffff802`05abf1cf f0480fba2900    lock bts qword ptr [rcx],0 ds:00000000`000000a8=????????????????
    Resetting default scope
    
    
    LAST_CONTROL_TRANSFER:  from fffff80205a92669 to fffff80205a93340
    
    
    STACK_TEXT:  
    fffff880`0b61b4b8 fffff802`05a92669 : 00000000`0000000a 00000000`000000a8 00000000`00000002 00000000`00000001 : nt!KeBugCheckEx
    fffff880`0b61b4c0 fffff802`05a90ee0 : 00000000`00000001 00000000`00000002 00000014`00000000 fffff880`0b61b600 : nt!KiBugCheckDispatch+0x69
    fffff880`0b61b600 fffff802`05abf1cf : 00000000`00000000 00000000`00000000 fffff6fb`00000000 fffff6fb`000034fb : nt!KiPageFault+0x260
    fffff880`0b61b790 fffff880`040e8286 : 00000000`00000000 00000000`00000000 00000000`00000000 fffffa80`0cc9ef98 : nt!KeAcquireSpinLockRaiseToDpc+0x1f
    fffff880`0b61b7c0 00000000`00000000 : 00000000`00000000 00000000`00000000 fffffa80`0cc9ef98 00000000`00000001 : avgwfpa+0x6286
    
    
    
    
    STACK_COMMAND:  kb
    
    
    FOLLOWUP_IP: 
    avgwfpa+6286
    fffff880`040e8286 ??              ???
    
    
    SYMBOL_STACK_INDEX:  4
    
    
    SYMBOL_NAME:  avgwfpa+6286
    
    
    FOLLOWUP_NAME:  MachineOwner
    
    
    MODULE_NAME: avgwfpa
    
    
    IMAGE_NAME:  avgwfpa.sys
    
    
    DEBUG_FLR_IMAGE_TIMESTAMP:  5092fb3e
    
    
    FAILURE_BUCKET_ID:  AV_avgwfpa+6286
    
    
    BUCKET_ID:  AV_avgwfpa+6286
    
    
    Followup: MachineOwner
    ---------
      My System SpecsSystem Spec

  3. #3


    Posts : 11
    Windows 8 Pro 64 bit


    Okay, how do I do that if I cant get in the OS though? Could I just delete the AVG folder on the partition when I'm in Windows 7?
      My System SpecsSystem Spec

  4. #4


    Posts : 5,139
    Win8.1Pro - Finally!!!


    Go into Win7
    Go to the Win8 Windows\System32\drivers directory
    Rename avgwfpa.sys to avgwfpa.BAD (do not delete it as you may need it if this doesn't work)
    Then attempt to boot into Windows 8.

    If you get into Win8, IMMEDIATELY uninstall AVG
    If you don't get in, post back for other things to try.
      My System SpecsSystem Spec

  5. #5


    Posts : 11
    Windows 8 Pro 64 bit


    Quote Originally Posted by usasma View Post
    Go into Win7
    Go to the Win8 Windows\System32\drivers directory
    Rename avgwfpa.sys to avgwfpa.BAD (do not delete it as you may need it if this doesn't work)
    Then attempt to boot into Windows 8.

    If you get into Win8, IMMEDIATELY uninstall AVG
    If you don't get in, post back for other things to try.
    Nope, doesn't work unfortunately. After the windows logo boot screen it just goes into a black screen. Not even a blue screen error this time.
      My System SpecsSystem Spec

  6. #6


    Posts : 5,139
    Win8.1Pro - Finally!!!


    All of this refers to the Win8 drive/files - DO NOT do this to the Win7 files!!!!

    Scan the Win8 drive for malware. Here's a list of free scans (I don't know how many are Win8 compatible - but the bootable disks should work OK): Free Online AntiMalware Resources

    Then backup anything that you want to save from the Win8 installation (as some of the following things can really mess up a Windows installation!).

    Try renaming all avg.... driver files to .BAD
    Then try renaming the AVG directories to something else (that's easy to reset - in case it doesn't boot at all)
    Search the Win8 drive for avg*.* and rename all of the stuff to something easily reset.

    How familiar are you with the registry and remote mounting of registry hives? If you are, then you can go in and stop the AVG from loading. If you do try this, make sure to backup the registry before trying it.
      My System SpecsSystem Spec

  7. #7


    Posts : 11
    Windows 8 Pro 64 bit


    Quote Originally Posted by usasma View Post
    All of this refers to the Win8 drive/files - DO NOT do this to the Win7 files!!!!

    Scan the Win8 drive for malware. Here's a list of free scans (I don't know how many are Win8 compatible - but the bootable disks should work OK): Free Online AntiMalware Resources

    Then backup anything that you want to save from the Win8 installation (as some of the following things can really mess up a Windows installation!).

    Try renaming all avg.... driver files to .BAD
    Then try renaming the AVG directories to something else (that's easy to reset - in case it doesn't boot at all)
    Search the Win8 drive for avg*.* and rename all of the stuff to something easily reset.

    How familiar are you with the registry and remote mounting of registry hives? If you are, then you can go in and stop the AVG from loading. If you do try this, make sure to backup the registry before trying it.

    Okay will do, I will do all of those and then post back here. I really am not that familiar with the registry except doing basic things with it.
      My System SpecsSystem Spec

  8. #8


    Posts : 11
    Windows 8 Pro 64 bit


    Okay.. scan was okay, renamed all the files to .BAD, and renamed the AVG directory in Program Files(x86) to AVGBAD. Still.. Black screen after Windows 8 boot screen. So I guess going through the registry might do..
      My System SpecsSystem Spec

  9. #9


    Posts : 5,139
    Win8.1Pro - Finally!!!


    Have you tried Safe Mode after doing any of the changes?

    Here's links on how to remotely mount a registry: https://www.google.com/search?q=remo...ient=firefox-a

    Once that's done, the first step is to make a backup of those files (in case something goes awry while editing them).

    Then you search through the registry for entries that run AVG or it's services and delete or disable them.

    I'm thinking that this is gonna take a lot of time and research on your part. Several years ago another tech and I each spent 4 hours digging through a customer's registry to remove traces of another anti-virus program. While we were successful, I also figure that we were awfully lucky not to have irreparably broken the registry while deleting stuff.

    So, the alternative is to:
    - backup your data from the Win8 partition
    - wipe the partition that Win8 is installed on (use KillDisk or DBAN - both are free with an internet search)
    - reinstall Windows clean (not adding any 3rd party programs)
    - fix any issues in Device Manager
    - install ALL Windows Updates.

    Then test and ensure the problem is fixed. If it is, then you can start adding 3rd party programs.
      My System SpecsSystem Spec

  10. #10


    Posts : 11
    Windows 8 Pro 64 bit


    Safe mode will not work at all. Black screen just appears when I choose it. Hmmmmmm well, that really really sucks ahahah. I didn't know an antivirus can potentially brick your OS. Well i'll do some research and if nothing goes right, i'll just wipe that partition and start over again. I'll post back here probably in 24 hours.
      My System SpecsSystem Spec

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BSOD everytime you boot into Windows, Can't get into OS.
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