BSOD: SPECIAL_POOL_DETECTED_MEMORY_CORRUPTION (c1) - Windows 7 Professional

Anonymous
2013-12-17T16:43:19+00:00

In the past week I have experienced on my Windows 7 Professional system three BSODs.  I have done Google searches, and I am not sure what the casuse(s) is/are.  Some sites point to a device driver.  I am running verifier on seven non-MS drivers.  I have loaded the three minidumps to SkyDrive.  I am not sure for what to look in the minidumps (or the full dumps, which I also have)) to locate the failing driver.  Note that I spent 25+ years as an IBM mainframe systems programmer, and I looked at many system dumps during those 25+ years.  I do not know enough about the internals of Windows 7 to be able to look at the dumps and determine what happened.

Also, I have experienced many seemingly random BSODs since I installed a new motherboard on May 25; I am currently concentrating on the last three BSODs, which were all (c1) symptoms.  As far as I know, all of my device drivers are up-to-date; there are web sites that offer me newer drivers, but those are not manufacturers' web sites, so I do not download drivers from them.  I ran a memory test for 8 hours on Sunday; no problems were found.

My last three BSODs were (c1), and there were no dumps of that type in the previous 90 BSODs, so this problem is new.  The first of the three was 12/11 at 09:25, and the previous day I had installed 10 hotfixes on patch Tuesday.

Thanks.

--Barry S. Finkel

Windows for home | Previous Windows versions | Windows update

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  1. Anonymous
    2014-01-08T02:42:23+00:00

    I will try the repair tomorrow.  I looked at the WEI vi the control panel - System, and it said, "System rating is not available".  I clicked to get a rating, and I got a pop-up window "The Windows Experience Index for your system could not be computed.  Cannot complete the required assessment.  The system does have the necessary multi-media support to run the requested assessment.".  I looked at

         \windows\performance\winsat\winsat.log

    and there were some error messages in that 155-line file that I did not understand.  I have no idea exactly what this WEI tool is measuring, and so I have no idea what multi-media support it is trying to find.

    --Barry Finkel

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  2. Anonymous
    2014-01-07T20:59:40+00:00

    Barry

    Do you have either of these Disks?

    You can use a retail OEM Windows 7 installation disc to do a repair install with.

    You can use a retail (full or upgrade) Windows 7 installation disc to do a repair install with.

    My impression was that you have the first and not the second.

    Does your disk include the SP1 update?

    It talks about creating a windows.old directory. I already have a directory with that name

    Are you referring to step 21?

    1. Check to see if you are missing any user files. If you are, then you can copy them from the C:\Windows.old or the hidden protected operating system C:$INPLACE.~TR and C:\WINDOWS.~Q backup folders. (see screenshot below)

    If you have already got a C:\Windows.old directory you can either rename the original old directory or remove it. The point being you cannot have two directories sharing the same name, if the file path is the same. The system will not let you do it. The exercise is to enable you to replace any user folders that would otherwise be lost when you carry out the Repair Install. There is really no point in keeping the original Directory.

    Will this procedure essentially create a new c:\Windows directory?

    I have never considered this point before. I have done a Repair Install a number of times and it resolved whatever the problem was I had at the time. In essence I would interpret the Tutorial as saying it automatically creates a new Windows directory. It is important to make sure you have enough free disk on C for this to happen.

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  3. Anonymous
    2014-01-07T19:18:17+00:00

    I read the instructions on the web site, and I am not sure exactly what it will do.  It talks about creating a windows.old directory.  I already have a directory with that name; it was created when I had to re-install Windows 7 after I replaced my motherboard last May 25. Would I have to rename that directory before doing the repair install?  Will this procedure essentially create a new c:\Windows directory?  Thanks.

    --Barry Finkel

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  4. Anonymous
    2014-01-07T09:26:08+00:00

    Barry

    I would not allow Advanced System Care on any computer under my control. I has the capacity to create system error that can only be resolved by reinstalling windows and all that entails.

    I have no direct evidence that SmartDefrag is implicated in your problems but you do have a drive related problem and SmartDefrag is a tool for use with drives.

    I suggest you try a Repair Install using your WIndows 7 Pro disk.

    http://www.sevenforums.com/tutorials/3413-repair-install.html

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  5. Anonymous
    2014-01-07T02:19:15+00:00

    I have a WIndows 7 Pro install DVD.

    What leads you to believe that IObit SmartDefrag may be the cause of my problems?

    I did have IObit Advanced System Care installed, but I installed it.  I have no other registry cleaner/optimizer installed.

    --Barry Finkel

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