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Windows 7: BSODs when watching streaming full screen videos and closing Civ5

21 May 2012   #1

Windows 7 Professional 64-bit
BSODs when watching streaming full screen videos and closing Civ5

Hi I seem to be getting frequent BSODs when streaming videos on youtube or when using other streaming video players if I have them fullscreen. In addition, when I close the game Civilization 5 my computer will often crash to a BSOD.

When I checked bluescreenview there was only one minidump summary, however, I have had probably 20 BSODs in the past week. I'm unsure how many summaries are included in the attached minidump files.

I'm running 64 bit 7 with 4GB ram, an Intel Quad core Q9550 cpu running at 2.83 GHz, GPU is a Nvidia Geforce GTS 250 (up to date) and I use Microsoft Security Essentials as an Antivirus. I have a 700 Watt psu, with a single hard drive at about 60% capacity.

I've been getting BSODs frequently for the past few months but much more frequently lately. Thank you for any and all help, and please let me know if more information is required.


My System SpecsSystem Spec

22 May 2012   #2
Microsoft MVP


Daemon Tools (and Alcohol 120% software) are known to cause BSOD's on some Win7 systems (mostly due to the sptd.sys driver, although I have seen dtsoftbus01.sys blamed on several occasions).
Please uninstall the programs, then use the following free tool to ensure that the troublesome sptd.sys driver is removed from your system (pick the 32 or 64 bit system depending on your system's configuration): DuplexSecure - FAQ

Some free alternatives (I don't use them, so I can't comment on them)

MagicISO - Convert BIN to ISO, Create, Edit, Burn, Extract ISO file, ISO/BIN converter/extractor/editor

I'd suggest updating your network drivers from the manufacturer's website also. They date from 2009, so they may be troublesome.

Please post back if this doesn't stop the BSOD's - there's 2 ways that we can go (either running Driver Verifier or hardware diagnostics).

The following info is just FYI, I've already addressed the issues that I saw in the above paragraphs

- Further info on BSOD error messages available at:
- Info on how to troubleshoot BSOD's (DRAFT):
- How I do it:


amdxata.sys     Fri Mar 19 12:18:18 2010 (4BA3A3CA)
sptd.sys        Sat Aug 20 00:34:53 2011 (4E4F396D)
tap0901t.sys    Wed Sep 16 02:02:43 2009 (4AB07F83)
MpFilter.sys    Fri Mar 09 06:05:26 2012 (4F59E3F6)
dtsoftbus01.sys Mon Oct 17 08:12:30 2011 (4E9C1BAE)
aaywadx3.SYS    Tue Nov 16 13:51:16 2010 (4CE2D2A4)
aelejix3.SYS    Mon Oct 17 11:34:18 2011 (4E9C4AFA)
cpuz135_x64.sys Tue Nov 09 08:33:36 2010 (4CD94DB0)
nvlddmkm.sys    Wed Feb 29 13:04:52 2012 (4F4E68C4)
Rt64win7.sys    Thu Feb 26 04:04:13 2009 (49A65B0D)


Loading Dump File [C:\Users\FUBAR\_jcgriff2_\dbug\__Kernel__\051512-20685-01.dmp]
Built by: 7601.17803.amd64fre.win7sp1_gdr.120330-1504
Debug session time: Tue May 15 14:15:22.317 2012 (UTC - 4:00)
System Uptime: 0 days 22:04:06.557
*** WARNING: Unable to verify timestamp for win32k.sys
*** ERROR: Module load completed but symbols could not be loaded for win32k.sys
Probably caused by : ntkrnlmp.exe ( nt!SepMandatoryIntegrityCheck+2ae )
FAILURE_BUCKET_ID:  X64_0x50_nt!SepMandatoryIntegrityCheck+2ae
Bugcheck code 00000050
Arguments fffff8a0`31d379a4 00000000`00000000 fffff800`02ab228e 00000000`00000002
BiosVersion = FB
BiosReleaseDate = 05/20/2009
CPUID:        "Intel(R) Core(TM)2 Quad CPU    Q9550  @ 2.83GHz"
MaxSpeed:     2830
CurrentSpeed: 2833
My System SpecsSystem Spec
22 May 2012   #3

Windows 7 Professional 64-bit

I can't seem to find the correct drivers for RTL8168C even at the manufacturer's website.

I removed Alcohol 120 and Daemon tools and have removed the sptd.sys, and will keep the post updated.

Thanks a lot for the feedback!
My System SpecsSystem Spec

22 May 2012   #4
Microsoft MVP


RTL8168C drivers: Realtek - RTL8168C Driver Downloads
My System SpecsSystem Spec
22 May 2012   #5

Windows 7 Professional 64-bit

The link you posted shows me drivers for 8168D, is the difference negligible? I'll give them a try. Thanks again.
My System SpecsSystem Spec
22 May 2012   #6

Windows 7 Professional 64-bit

Hmm...when I click on the link to download the file it brings me to another window which leads I missing something? It takes me to a 'hot downloads' page with three links, with nothing related to the driver.
My System SpecsSystem Spec
23 May 2012   #7
Microsoft MVP


Go here: Realtek
Then click on "Downloads" at the top middle of the page.
Then click on Communications Network ICs (on the left sidebar)
Then on Network Interface Controllers
Then on 10/100/1000M Gigabit Ethernet
Then on PCI Express
Then on Software
My System SpecsSystem Spec
23 May 2012   #8

Windows 7 Professional 64-bit

Finally got the file to start downloading, thanks! Not sure why it didnt work the first time I was at the same spot...anyway, ever since I removed Daemon tools I haven't had a single BSOD. Hoping it stays that way!

Thanks again!
My System SpecsSystem Spec
23 May 2012   #9
Microsoft MVP


Here's the title block of the download page:
I've highlighted the RTL8168C in RED
My System SpecsSystem Spec
31 May 2012   #10

Windows 7 Professional 64-bit
BSODs back

My computer was running good up until a couple days ago - I've had a few more BSODs. I've addressed everything that was brought up previously in this thread, so I'm not sure what to do at this point. I've attached a new Health Report and a new Minidump.

Nothing new on my computer to note. The Health Report claims that there is no antivirus, however, it seems to neglect my Microsoft Security Essentials for some reason (should I be concerned?). Thanks in advance!

My System SpecsSystem Spec

 BSODs when watching streaming full screen videos and closing Civ5

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