Huge slow down in disk IO after Cumulative Update KB4471332 !

  1. Posts : 1,149
    Windows 10

    Huge slow down in disk IO after Cumulative Update KB4471332 !

    so I managed to install the December 2018 Cumulative Update KB4471332 over windows build 1809 , end result was that disk read/write slowed down significantly . now I can copy things back and forth across drives in 40 MB/s speed cap while earlier to installing the update I averaged 60~100 , I revised the drivers and to my surprise the update haven't changed any of them . I have stuttering in games due to slowed down disks too . I tried to uninstall it from installed updates in programs and features but it doesnt show there , only few updates done earlier regarding ms office . and yet the update is surely installed and to my surprise system restore service was not working . so it kind of seems more like a microsoft punishment than rather an update , anybody know how to solve this ?
      My Computer

  2. Caledon Ken's Avatar
    Posts : 24,410
    Windows 10 Pro x64 Version 2004

    Might help if you could explain what you mean by "You managed to install the December update".

    What kind of issues were you having, maybe its related.

    Does task manager show anything consuming I/O in the background?
      My Computer


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