Windows 8 and 8.1 Forums


W8.1 Memory problems (leak?)

  1. #1


    Posts : 11
    Windows 8.1 - 64-Bit

    W8.1 Memory problems (leak?)


    Hello, here to report another problem i am having with my PC.

    It started after i reinstalled Windows 8.1, i have 6GB DDR3 memory in my system.

    When i initialy start my PC the memory usage is somewhat low at 20% or so, yet it increases quite fast for no apparent reason. It is now running at 70% with only Firefox open:

    Click image for larger version

    The memory usage doesn't add up with the currently running processes, it doesn't matter if i shut everything down from there it will still be at around 70% of usage.

    When i start a game up it's running at around 97%.

    I am a frequent KSP player and my game is heavly modded and when i start that game up i usualy get around 80% of memory usage, now i dont think i can even start the game.

    Any ideas?

    Please take a look at the image attached above perhaps there is something that's obvious there, i can't find it atleast.

    Thanks.

    Edit: The memory keeps rising non stop it seems, while i wrote this post it hit 93% of usage.

      My System SpecsSystem Spec

  2. #2


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    You have to look in Processes, to see what is going on. Performance is not going to tell you what is going on as for a possible memory leak. A memory Leak, is when a process will continue to use up available RAM, without releasing it back to the OS, to place into reserve.
      My System SpecsSystem Spec

  3. #3


    Posts : 11
    Windows 8.1 - 64-Bit


    Quote Originally Posted by broe23 View Post
    You have to look in Processes, to see what is going on. Performance is not going to tell you what is going on as for a possible memory leak. A memory Leak, is when a process will continue to use up available RAM, without releasing it back to the OS, to place into reserve.
    I did look in the Processes tab:
    "The memory usage doesn't add up with the currently running processes, it doesn't matter if i shut everything down from there it will still be at around 70% of usage."

    I counted everything there and it was about 1GB of memory use out of 6GB total, when it was running at 97%. It doesnt add up, makes no sense to me.
      My System SpecsSystem Spec

  4. #4


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    Your hardware reserved is 3GB, I would start looking there.
      My System SpecsSystem Spec

  5. #5


    This is normal for any modern OS. They will automatically grab as much RAM as they can for caching purposes. Rather than just have the RAM sitting there doing nothing, the OS uses predictive loading (superfetch) to try and anticipate what you're going to do and load it into memory before you actually do it. This creates an overall more responsive system. This memory will automatically be freed up by the OS if it's needed by some active program, such as a game. You WANT high RAM use, as long as most of it is for caching purposes. This isn't like the Win9x days where you had to worry about "system resources" which referred to a holdover from the DOS legacy. Windows XP and all later versions are based off the NT branch of Windows which never had that particular limitation.

    Though I will say popeye made an excellent observation about the usually high 3GB of system reserved memory. So half your RAM is being held back for some unknown purpose.
      My System SpecsSystem Spec

  6. #6


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    My hardware reserve:

    Click image for larger version
      My System SpecsSystem Spec

  7. #7


    Posts : 11
    Windows 8.1 - 64-Bit


    Quote Originally Posted by asvent View Post
    This is normal for any modern OS. They will automatically grab as much RAM as they can for caching purposes. Rather than just have the RAM sitting there doing nothing, the OS uses predictive loading (superfetch) to try and anticipate what you're going to do and load it into memory before you actually do it. This creates an overall more responsive system. This memory will automatically be freed up by the OS if it's needed by some active program, such as a game. You WANT high RAM use, as long as most of it is for caching purposes. This isn't like the Win9x days where you had to worry about "system resources" which referred to a holdover from the DOS legacy. Windows XP and all later versions are based off the NT branch of Windows which never had that particular limitation.

    Though I will say popeye made an excellent observation about the usually high 3GB of system reserved memory. So half your RAM is being held back for some unknown purpose.
    Very informative, and interesting. I understand what you are saying about the caching, but it has never been so high before, must have to do with the "system reserved memory" as you all say.

    It is a very fresh install of Windows 8.1, and i did a "Windows Defender Offline" scan so there should be no viruses etc.

    I don't really know where to begin looking? Any recommendations?

    I was thinking of running the "Windows Memory Diagnostic" tool, but this doesn't seem like that kind of a problem?
      My System SpecsSystem Spec

  8. #8


    Posts : 2,627
    win8.1.1 enterprise


    I have been googling your issue and seen one suggestion a few time ,assuming you have 2 sticks of ram ,try running the computer with just one stick of ram[then remove it and test the other one ] and see what it list for reserved for hardware, it just may be a faulty stick of ram
      My System SpecsSystem Spec

  9. #9


    Adelaide
    Posts : 1,338
    Windows 7 Ultimate SP1 (64 bit), Linux Mint 17.1 MATE (64 bit)


    Are you using your graphics card OR are you using onboard graphics?
      My System SpecsSystem Spec

  10. #10


    Posts : 328
    Windows 8.1 (x64)


    What version of Win 8 are you using ? 32 bit or 64 bit ?
    If you're on the 32 bit one, all memory past 4 GB will be put in harware reserved, as is your case.
      My System SpecsSystem Spec

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