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  1.    11 Dec 2016 #21
    Join Date : Dec 2016
    Posts : 5
    Windows 10
    Thread Starter

    Jacob, I am new to this forum and I did not know the rules for marking things as solved, again, so I asked - no one is trying to sweep anything anywhere. You may want to simply admit that you got a bit out of hand and leave it at that, I know it's tough, but I know you can do it.
    What's done is done and we can leave it at that. Happy Holidays to you as well.
      My ComputerSystem Spec
  2.    11 Dec 2016 #22
    Join Date : Oct 2015
    Posts : 16
    Windows 10 Pro x64

    I'm new here too! And I don't consider my response as "out of hand". It's just quite a bit unnerving to me, to call a workaround as a solution. I've seen it all too often, and it's part of the reason why software has so many bugs these days. We can drop this discussion about it, though.

    So, DiagTrack service causes the WPR to be initiated? That's interesting... I wonder if it will complete after a while - ie: If we let WPR thrash the disk for several hours/days, will it eventually complete? Another good test would be to uninstall the most recent update, and see if the problem goes away.
      My ComputerSystem Spec
  3.    12 Dec 2016 #23
    Join Date : Oct 2016
    Posts : 2
    Windows 10 Pro

    Same issue here, that's super weird. I thought it was just doing something else and let it sit for a while. Killed the service and solved for now.
      My ComputerSystem Spec
  4.    12 Dec 2016 #24
    Join Date : Dec 2016
    Posts : 1
    Windows 10 Professional

    I love you jack, I was beginning to lose hope, after 2 hours of searching and trying multiple fixes, I found this thread by sheer luck. I LOVE YOU
      My ComputerSystem Spec
  5.    12 Dec 2016 #25
    Join Date : Dec 2016
    Posts : 1

    So I'm not the only one who's experiencing this issue. I'm glad that I've found this thread, this 100% disk usage is very annoying, hope MS gets the message and fixes this ASAP. For now I'm just gonna leave everything as it is just to see if it resolves the issue, buy anyways thank you Jacob for posting workaround.
      My ComputerSystem Spec
  6.    12 Dec 2016 #26
    Join Date : Dec 2016
    Posts : 1
    Windows 10 Home

    I had the same problem and looked into it. I wanted to let people here know... I found more info about DiagTrack here: Microsoft renames Diagnostic Tracking Service to Connected User Experiences and Telemetry - gHacks Tech News
    Apparently it's some Microsoft service that goes under the name "Connected User Experiences and Telemetry service". The linked post shows how to disable it. If you don't it may start up again on a reboot and you get the 100% disk usage issue again.
      My ComputerSystem Spec
  7.    12 Dec 2016 #27
    Join Date : Sep 2016
    Posts : 2
    Windows 10


    If you go into "Privacy" -> "Feedback & Diagnostics", if you change it to Enhanced or Basic, it should remove the problem. The really cool thing is if you let it set for a while (not sure how long), it will eventually remove the two WPR *.ETL files by itself. I restarted in Enhanced mode, then switched back to Full and now my machine is back to normal! "

      My ComputerSystem Spec
  8.    12 Dec 2016 #28
    Join Date : Dec 2016
    Posts : 1
    All of them

    if you are looking for DiagTrack in services.msc it has been renamed to Connected User Experiences and Telemetry service.

    I have disabled this and stopped the service, disk usage is down to acceptable levels but I am still seeing intermittent spikes of 100%
      My ComputerSystem Spec
  9.    12 Dec 2016 #29
    Join Date : Jul 2015
    Posts : 221
    Windows 10 Home x64

    This is part of the update process lately, users are reporting issues for MS instead of MS doing a thorough test.
      My ComputerSystem Spec
  10.    12 Dec 2016 #30
    Join Date : Feb 2016
    Posts : 14
    Windows 10

    I was wondering if it would be here, I found a long term fix, or at least until next time MS patch windows

    See here: Fix 100% Disc usage by System service - Windows 10
      My ComputerSystem Spec

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