Windows 10: Updates KB4556799 and KB4552931 - system instability

Discus and support Updates KB4556799 and KB4552931 - system instability in Windows 10 BSOD Crashes and Debugging to solve the problem; Since installing the above two updates on 21st May 2020 my system has been completely unstable. It loses, at approx one minute intervals all 4 external... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by ChrisWalton8, May 24, 2020.

  1. Updates KB4556799 and KB4552931 - system instability


    Since installing the above two updates on 21st May 2020 my system has been completely unstable. It loses, at approx one minute intervals all 4 external USB HDD. When this happens it then searches, very slowly, for the missing drives, reinstates them, and then starts the whole cycle again. This cycle takes up so much time that the machine is more or less unusable during the cycle. Rolling back the updates cures the problems, for that session. There is some so far small evidence that it returns on reboot of the system. As this is a cumulative update, I assume it will reinstall itself next time a update is mandated. I have tried reporting this but all reporting avenues lead to the 'Feedback Hub'. This will not install on my systems. Could you please suggest how I can approach this problem.

    :)
     
    ChrisWalton8, May 24, 2020
    #1
  2. Brink Win User

    KB4552931 Cumulative Update .NET Framework 3.5, 4.8 Windows 10 May 12 Win Update

    Updates KB4556799 and KB4552931 - system instability [​IMG]
     
    Brink, May 24, 2020
    #2
  3. Brink Win User
    KB4552931 Cumulative Update .NET Framework 3.5, 4.8 Windows 10 May 12

    Source: https://support.microsoft.com/en-us/...-net-framework


    Direct download links for KB4552931 MSU file from Microsoft Update Catalog:

    Download KB4552931 MSU for Windows 10 v1903 and v1909 32-bit (x86) - 40.3 MB

    Download KB4552931 MSU for Windows 10 v1903 and v1909 64-bit (x64) - 69.7 MB
     
    Brink, May 24, 2020
    #3
  4. Updates KB4556799 and KB4552931 - system instability

    PC Build Steps

    Ok just because I like steps i am going to create some steps. Please give me the stamp of approval/disapproval
    • Install system in case
      • Remember to connect SSD and optical to same SATA ports on motherboard
    • Turn on PC
    • setup HDD
    • run blend test in prime95 for 30-60 min
      • run realtemp at the same time
    • While in Prime95 test
      • if CPU goes above 70c in RealTemp, I have a leaky CPU
      • if my system locks up or blue screens, there is an instability in the system somewhere
      • if my system does not lock up or blue screen, my CPU is not damaged and I am in the clear!
    What do you guys think??
     
    anandsap123, May 24, 2020
    #4
Thema:

Updates KB4556799 and KB4552931 - system instability

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