Windows 10: Memory usage increase after applying KB5001337 Patch

Discus and support Memory usage increase after applying KB5001337 Patch in Windows 10 Installation and Upgrade to solve the problem; Hi,We have a .Net Application which suddenly started taking about 10G to 14GB of Memory when run on Windows 10 1909 machine with KB5001337 Patch... Discussion in 'Windows 10 Installation and Upgrade' started by Anitha_Fid, Apr 30, 2021.

  1. ANITHA_FID
    Anitha_Fid Win User

    Memory usage increase after applying KB5001337 Patch


    Hi,We have a .Net Application which suddenly started taking about 10G to 14GB of Memory when run on Windows 10 1909 machine with KB5001337 Patch applied to it.. On uninstalling this package, we get the Memory usage by this application back to nominal amount 100 -200MB...Looking at the Information provided by the MS website for that patch it did mention issue with Scroll bar, however I do not see any issues with scroll bars in my application but see a huge consumption of Memory...Scroll bar controls might appear blank on the screen and not function after installing this update. This

    :)
     
    Anitha_Fid, Apr 30, 2021
    #1
  2. ALLAM447635
    allam447635 Win User

    Memory leak (usage gradually increases)

    I ran PoolMonX first with the memory usage high, and then right after rebooting. Here are the two screenshots I took.
    Just after rebooting:

    Memory usage increase after applying KB5001337 Patch [​IMG]

    High memory usage:

    Memory usage increase after applying KB5001337 Patch [​IMG]


    From these screenshots, it seems as if Process objects and Thread objects are the main culprits behind the non-paged pool leak.
     
    allam447635, Apr 30, 2021
    #2
  3. SPECTRUM
    Spectrum Win User
    Memory leak (usage gradually increases)

    I understand the overall memory usage is gradually increasing, but is the non-paged pool also increasing?
     
    Spectrum, Apr 30, 2021
    #3
  4. ALLAM447635
    allam447635 Win User

    Memory usage increase after applying KB5001337 Patch

    Memory leak (usage gradually increases)

    Yes, it is also gradually increasing.
     
    allam447635, Apr 30, 2021
    #4
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Memory usage increase after applying KB5001337 Patch

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