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Windows 7: BSOD mainly when streaming online video

13 Jul 2011   #1

Windows 7 Ultimate 32bit
BSOD mainly when streaming online video

Hi, I am posting with regards to BSOD I have been receiving for quite some time now. It mainly occurs whilst streaming video online, and when I did a google search I found this post on here.

When this problem first arose, some time ago, I checked to ensure it wasn't a RAM problem (The Ram modules were replaced), and then that it wasn't an overheating problem (installed a new heatsync and fan, and case fan).

However, it still remains as persistant as ever and as such I was hopeful someone here could diagnose the problem. Any help is greatly appreciated and I thank you in advance for your time.

Kind regards.

Is Windows 7 . . .
- x86 (32-bit) or x64 ? x86
- the original installed OS on the system? No
- an OEM or full retail version? retail version
- What is the age of OS installation (have you re-installed the OS?) around 1 year.

My System SpecsSystem Spec
13 Jul 2011   #2

Windows 7 64b Ultimate

Hello Synchotr0n, Welcome to SF!

You've got a couple of different problems:
You have MANY MpKSLxxxx warnings which normally means you have MSE running but it is blocked by a third party additional security layer (like Online Armor). If you use MSE... use only that and maybe Malwarebytes... but nothing with double functions (hope you get what I mean).... English is not my first language...

1-Please remove any CD virtualization programs such as Daemon Tools and Alcohol 120%.

They use a driver, found in your dmp,sptd.sys, that is notorious for causing BSODs.

Use this SPTD uninstaller

when you're done you can use this Freeware MagicISO Virtual CD/DVD-ROM(MagicDisc) in its place.
Dumps - too many to count or test...
But, some point to driver, memory or other Hardware errors. We'll need to do some checking and testing for that...

Old drivers:
slserv 72.07 KB (73,796 bytes) 08/01/2004 16:41 Smart Link c:\windows\system32\slserv.exe
Normally modem software. Delete it, it is not fit for W7.

Have you checked if you get BSOD while running in Safe Mode? Try that please.
Also try: SFC /SCANNOW Command - System File Checker

Most common dump: 7F
Usual causes: Memory corruption, Hardware (memory in particular), Overclocking failure, Installing a faulty or mismatched hardware (especially memory) or a failure after installing it, 3rd party firewall, Device drivers, SCSI/network/BIOS updates needed, Improperly seated cards, Incompatible storage devices, Overclocking, Virus scanner, Backup tool, Bad motherboard, Missing Service Pack
HTML Code:
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *

This means a trap occurred in kernel mode, and it's a trap of a kind
that the kernel isn't allowed to have/catch (bound trap) or that
is always instant death (double fault).  The first number in the
bugcheck params is the number of the trap (8 = double fault, etc)
Consult an Intel x86 family manual to learn more about what these
traps are. Here is a *portion* of those codes:
If kv shows a taskGate
        use .tss on the part before the colon, then kv.
Else if kv shows a trapframe
        use .trap on that value
        .trap on the appropriate frame will show where the trap was taken
        (on x86, this will be the ebp that goes with the procedure KiTrap)
kb will then show the corrected stack.
Arg2: 801c7000
Arg3: 00000000
Arg4: 00000000

Debugging Details:




PROCESS_NAME:  vlc.exe


LAST_CONTROL_TRANSFER:  from 00000000 to 82c388b5

09cefc94 00000000 00000000 00000000 00000000 nt!KiTrap0E+0x9


82c388b5 56              push    esi


SYMBOL_NAME:  nt!KiTrap0E+9

FOLLOWUP_NAME:  MachineOwner


IMAGE_NAME:  ntkrnlmp.exe


FAILURE_BUCKET_ID:  0x7f_8_nt!KiTrap0E+9

BUCKET_ID:  0x7f_8_nt!KiTrap0E+9

Followup: MachineOwner
My System SpecsSystem Spec
13 Jul 2011   #3

Windows 7 Ultimate 32bit

Hello, thank you so much for the swift response!
  • As far as I am aware, Microsoft Security Essentials and Malwarebytes should be the only two security programmes on the computer?
  • I have succesfully uninstalled Daemon Tools Lite.
  • The BSOD is quite irregular, and doesn't always occur when streaming videos. I will run the sfc /scannow first and then try to boot into safe mode and see if the problem persists.
  • The two RAM memory sticks are the same (not mismatched), could it be "Device drivers, SCSI/network/BIOS updates needed," or "Bad motherboard" ?

EDIT: Ran the sfc /scannow and it stated "Windows Resource Protection did not find any integrity violations"

Booted into safe mode with networking and opened up a number of tabs playing random videos (the audio service is not running so there is no sound - could the external USB sound card be an issue?) and it didn't BSOD. It was in safe mode for 10-15 minutes.
My System SpecsSystem Spec

13 Jul 2011   #4

Windows 7 64b Ultimate

OK... Please run in Safe mode for quite a while trying out your streaming, just to be sure... It will prove it is not hardware...

Remove the slserv in Safe mode... that should work as I don't expect the software to be running then...Or, better, find your smartlinkservice in Programs (Software) and delete the whole package there
My System SpecsSystem Spec
13 Jul 2011   #5

Windows 7 Ultimate 32bit

OK I will although I've just opened up some random videos in normal mode and it hasn't BSOD yet. As I said it's quite temperamental in that sometimes it will BSOD 3-4 times in 10 minutes and others it won't for a long period.

Edit: Where is the smartlinkservice?

I have succesfully deleted slserv.exe stored in the system32 folder but slserv.exe remains in this location:

and when I try and delete it in safe mode it says:
you require permission from System to delete this file.

Edit Again: It's been on safe mode for an hour and a half now and not had the dreaded BSOD.. and then when I booted in normal mode I've had 2 BSOD's.
My System SpecsSystem Spec
14 Jul 2011   #6

Windows 7 64b Ultimate

I would hope you can find Smartlink as part of your installed programs?

anyway... please upload these latest dumps?

+ what was the result of SFC?
My System SpecsSystem Spec
14 Jul 2011   #7

Windows 7 Ultimate 32bit

  • Ran the sfc /scannow and it stated "Windows Resource Protection did not find any integrity violations"
  • I don't know where to look for Smartlink. Ran a search and it didn't show anything and it's not in the "remove installed programmes" category in control panel either.
My System SpecsSystem Spec
14 Jul 2011   #8

Windows 7 64b Ultimate

Smartlink is your modem. Look in "Devices" and see if you disable it and de-install its drivers.
I'll get back to you on your dump... but you still have MSE problems. Did you try un-install of MSE, test if ok and if so, re-install a newest version?

below is a quote to show its driver is running..:
slntamr Smart Link 56K Modem Driver c:\windows\system32\drivers\slntamr.sys Kernel Driver Yes Manual Running OK Ignore No Yes
The service itself:
SmartLinkService SLService Stopped Auto Own Process slserv.exe Normal LocalSystem 0
My System SpecsSystem Spec
14 Jul 2011   #9

Windows 7 Ultimate 32bit

OK, I think I've managed to disable and uninstall Smart Link modem from device manager.

I've just uninstalled MSE and will look to download the latest version.
My System SpecsSystem Spec
14 Jul 2011   #10

Windows 7 64b Ultimate

Dump shows you still have driver problems.
Update, from the manufacturer of the cards, not with windows update,
the drivers for your videocard and intel chipset.

Please enter full system spec's in your profile, that way we can provide the right links for that...
My System SpecsSystem Spec

 BSOD mainly when streaming online video

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