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Solved: Tokens/handles/RPC/svchost.exe problem

Discussion in 'Windows XP' started by canyons, Jun 21, 2008.

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  1. canyons

    canyons Thread Starter

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    I am having a problem with too many tokens/handles being opened by the svchost.exe process associated solely with the Remote Procedure Call service.


    I have just recently installed Service Pack 3 for Windows XP, and shortly after that, I started having a problem where I couldn't open any application or any file in an open application. When I rebooted, the problem went away for a while, but would eventually come back.


    Using Process Explorer, I saw that a svchost.exe process had more than 50,000 handles associated with it. According to Process Explorer, the only service associated with this svchost.exe process is Remote Procedure Call (RPC) [RpcSs].


    Once I reboot, there are only a few hundred handles associated with this process, but they increase at a rate of about one per second. About 99% of the new ones are listed in Process Explorer as Type=Token, Name=NT AUTHORITY\SYSTEM:3e7, Access=0x000F01FF .


    These tokens/handles never go away. Once their number increases to about 50,000 or so, I get the problem where I can't open any application or file and I have to reboot.


    So, I need some assistance with making this problem stop. I don't know why so many tokens are being opened in the first place or what specifically they are meant to do in this case. I also don't know how to make them go away or at least have the handles close automatically.


    Unlike other svchost.exe problems that I've seen posted, I don't get any Windows error messages. Also, it doesn't use much CPU - this particular process always uses 1% of my CPU or less. Finally, it doesn't use much memory - it never even gets close to 100 MB.
     
  2. shturm

    shturm

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    Jun 23, 2008
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    I'm having exactly the same problem and wonder if somebody can help out to identify what exactly causes leakage of these handles.

    I see that my computer specs (Inspiron E1705) are very close to the original poster's (Inspiron 9300), so this may be a problem in some of the drivers.

    I'm going to reinstall Windows from scratch and while installing drivers check this handle leakage after each driver.
     
  3. shturm

    shturm

    Joined:
    Jun 23, 2008
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    I found what it is.
    I have Nvidia driver 175.80 (from laptopvideo2go.com) installed, and its service "Nvidia display driver service" (nvsvc32.exe) causes this problem.
    After I disabled this service, the problem disappeared.
    According to many posts in the Internet, it's perfectly fine to disable this service.
    Hope this helps.
     
  4. canyons

    canyons Thread Starter

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    YES! Thank you so much. Disabling that service is the solution for me, too. Without reinstalling Windows like you did, I never would have discovered this solution. That service didn't even list the RPC service as a dependency.
     
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