1.    10 Feb 2016 #1
    Join Date : Feb 2016
    Posts : 3
    Windows 10 Home 64-bit

    Memory Leak in svchost.exe (RPCSS)

    I bought my laptop in January 2015, and got used to Windows 8.1. I have liked Win10 ever since I upgraded late last year. I had some minimal trouble in the "migration", which was related to the substituted touchpad driver, but I digress. I believe my problem corresponds in some aspect with svchost.exe (RPCSS). I used process explorer (by SysInternals) to observe the correlation between my computer's freezing up at regular intervals of 1-2 minutes, and each freezing event lasting for increasingly longer periods of over 73 seconds (directly correlating to the timing of each CPU peak on the svchost.exe performance graph. The memory usage of this component is observed to grow to increasingly higher levels as well (over 166 Mb). During the freezing periods, the CPU usage of this component goes to 23-26% each time. Immediately after a computer restart, the duration of the freezing is hardly noticeable, but eventually builds to intolerable levels. ("Gradually" rather than "eventually" may be the more appropriate adverb, because the duration may not be associated with reported data in monitored system events.)

    In the process of tracking the possible causes of this problem, I have run malwarebytes, which reports no problems. I cannot relate the first instance of this problem to any particular software installation or Windows update. I have also started in Windows Safe Mode, which provides no freezes. The subsequent reboot in normal mode reveals the persistence of the problem.

    Please advise if this is a known issue or if there is any basis for a suspect cause. Please also advise if there are further methods to observe processes, system events, etc., to isolate the cause of the issue. Please limit responses so that they do not include try-fixes or hit-or-miss solution-attempts, as these often waste time, create more problems, or exacerbate existing problems. Please feel free to direct me to a post that instructs how to isolate such a problem to find the source. Thank you in advance for any assistance that you provide.
    Last edited by MCTusc; 13 Sep 2016 at 16:19. Reason: determined the nature of the problem
      My System SpecsSystem Spec

  2.    15 Jun 2016 #2
    Join Date : Feb 2016
    Posts : 3
    Windows 10 Home 64-bit

    This problem persists, and at this point any feedback or comment will be appreciated. If a moderator has input, that is welcomed, too. Any MSCE gurus? Hope everyone has a great day!
      My System SpecsSystem Spec

  3.    19 Jul 2016 #3
    Join Date : Feb 2016
    Posts : 3
    Windows 10 Home 64-bit

    Memory usage expansive

    Here's an illustration of service's performance graph.
    Click image for larger version. 

Name:	RPCSS graph.jpg 
Views:	6 
Size:	225.8 KB 
ID:	90949

    Each of the green peaks is a point at which Windows freezes.

    Oh, I forgot to mention that the memory usage grows to over 250MB. When I'm not having the issue, the memory that Process Explorer reports as being used by this process is around 8-10 MB.
    Last edited by MCTusc; 4 Weeks Ago at 10:00. Reason: Add remarks about memory usage
      My System SpecsSystem Spec


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