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Windows update 5/9/17 - CPU running at 100% - TrustedInstaller and mscorsvw.exe


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#1 feckingcomputer

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Posted 09 May 2017 - 06:03 PM

So I thought this issue had been worked out a year ago, with TrustedInstaller running at 100% and running my laptop hot. But it's back! Not sure if it's just for me because I didn't see any other posts about this yet. I just updated today and now TrustedInstaller and mscorsvw.exe (a new contender) have been eating up my CPU. What I notice in Resource Monitor is that new instances of mscorsvw.exe are constantly being terminated over and over. I've let it run for awhile and rebooted several times, but it keeps doing the same thing. Any ideas?


Edited by feckingcomputer, 09 May 2017 - 06:04 PM.


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#2 Just_One_Question

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Posted 09 May 2017 - 06:07 PM

Try disabling whatever you don't need by clicking on the Start menu and then typing msconfig

#3 hamluis

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Posted 09 May 2017 - 06:11 PM

https://blogs.msdn.microsoft.com/dotnet/2013/08/06/wondering-why-mscorsvw-exe-has-high-cpu-usage-you-can-speed-it-up/

 

Please download MiniToolBox  , save it to your desktop and run it.
 
Checkmark the following checkboxes:
  List last 10 Event Viewer log
  List Installed Programs
  List Users, Partitions and Memory size.
 
Click Go and paste the content into your next post.
 
Also...please Publish a Snapshot using Speccy taking care to post the link of the snapshot in your next post.

   Go to Piriform's website, and download the free version on the left.  Click Download from Piriform.com (the FileHippo link requires an extra click). Or if you want to use a portable version of Speccy (which doesn't require installation), click the builds page link and download the portable version. You will now be asked where you want to save the file. The best place to put it is the Desktop, as it will be easy to find later.

    After the file finishes downloading, you are ready to run Speccy. If you downloaded the installer, simply double-click on it and follow the prompts until installation is complete. If you downloaded the portable version, you will need to unzip it before use. Right-click the ZIP file and click Extract all. Click Next. Open up the extracted folder and double-click on Speccy.
 
     Once inside Speccy, it will look similar to this (with your computer's specifications, of course):
 
post-33068-0-86653600-1480692866_thumb.j

     Now, at the top, click File > Publish Snapshot.

     Click Yes > then Copy to Clipboard

Now, once you are back in the forum topic you are posting in, click the ADD REPLY or REPLY TO THIS TOPIC button. Right-click in the empty space of the Reply box and click Paste. Then, click Add Reply below the Reply box.

Louis



#4 feckingcomputer

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Posted 09 May 2017 - 07:01 PM

Well, I'm embarrassed to say that this issue seems to have resolved itself on its own. 3 reboots and 45 minutes later, CPU usage is back to normal. I wish I could delete this post now. But anyway, if anyone else runs into the same problem, just wait it out, I guess!
 
Thanks to everyone who responded in this thread.


#5 hamluis

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Posted 09 May 2017 - 08:11 PM

I suspect that it was some critical update dealing with NET...that just needed time for digesting :).

 

Happy computing :).

 

Louis






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