legacyfan Posted June 4, 2021 Share Posted June 4, 2021 (edited) recently ive noticed that on my laptop running windows xp svchost uses 100% cpu all the time and ive found no way of fixing the problem if any one could help with this it would be much appriciated Edited December 15, 2022 by legacyfan Link to comment Share on other sites More sharing options...
NotHereToPlayGames Posted June 4, 2021 Share Posted June 4, 2021 That is generally a required process. But you could have something "piggybacking" that process (I don't recall the correct term). Show a screencap of your Task Manager's "Processes" tab and I bet there is something else running that looks "suspicious". 1 Link to comment Share on other sites More sharing options...
legacyfan Posted June 4, 2021 Author Share Posted June 4, 2021 (edited) here is the screenshot you requested that one svchost is using 21.424k usage Edited June 4, 2021 by legacyfan Link to comment Share on other sites More sharing options...
NotHereToPlayGames Posted June 4, 2021 Share Posted June 4, 2021 I'd also look at what "services" you have running. I seem to recall that a small handful of services show up as "svchost.exe". 1 Link to comment Share on other sites More sharing options...
NotHereToPlayGames Posted June 4, 2021 Share Posted June 4, 2021 1 minute ago, legacyfan said: here is the screenshot you requested (this was taken with lightshot) Next time you see it at 100%, see if mscorsvw is running - if so, you have a .net process updating or even "optimizing itself", axe it and see if svchost's percentage drops. As a rule of thumb, I axe anything called "updater". Link to comment Share on other sites More sharing options...
NotHereToPlayGames Posted June 4, 2021 Share Posted June 4, 2021 (edited) After a few reads on mscorsvw, your configuration has the operating system "optimizing your machine to launch apps faster". I would seek out that configuration setting and disable it. "Optimizations" going on behind your back is never a good thing, IMO. I'll add that once it took me three days to figure out why an online radio station would have choppy audio. The culprit there turned out to be the disk drive "defragmenting" itself behind my back - I no longer allow disk drives to "defragment" behind my back. Edited June 4, 2021 by ArcticFoxie Link to comment Share on other sites More sharing options...
legacyfan Posted June 4, 2021 Author Share Posted June 4, 2021 (edited) is their any way to completely disable that service? also thanks in advanced for all your help its good to know i can always turn to this forum for help in a dire situation like this Edited December 15, 2022 by legacyfan 1 Link to comment Share on other sites More sharing options...
NotHereToPlayGames Posted June 4, 2021 Share Posted June 4, 2021 Not in my experience. There's SEVERAL services that run in the background that are "required" but only show up in Task Manager as "svchost". You may have more services running than you need. 1 Link to comment Share on other sites More sharing options...
NotHereToPlayGames Posted June 4, 2021 Share Posted June 4, 2021 If you can isolate to mscorsvw, here is a good read as to what it is doing -- https://devblogs.microsoft.com/dotnet/wondering-why-mscorsvw-exe-has-high-cpu-usage-you-can-speed-it-up/ Link to comment Share on other sites More sharing options...
NotHereToPlayGames Posted June 4, 2021 Share Posted June 4, 2021 My XP x64 has two ".NET Runtime Optimization Service" services listed in Computer Management -> Services. I have them BOTH DISABLED. Link to comment Share on other sites More sharing options...
Dixel Posted June 4, 2021 Share Posted June 4, 2021 What is that suspicious updater.exe process ? Even two of them ! 2 Link to comment Share on other sites More sharing options...
Dave-H Posted June 5, 2021 Share Posted June 5, 2021 A shot in the dark, but is Automatic Windows Update enabled? I seem to remember that scanning for updates could result in a very long running svchost process running and using a lot of CPU time. As Windows Update no longer works on XP, I'd disable it anyway if it isn't disabled. Link to comment Share on other sites More sharing options...
RainyShadow Posted June 5, 2021 Share Posted June 5, 2021 (edited) Run Process Explorer. Double-click the svchost process which is torturing the CPU. Select the Services tab to see which services are running in the process. Stop those services one by one until you find which one is responsible for this. Edited June 5, 2021 by RainyShadow 2 Link to comment Share on other sites More sharing options...
Dave-H Posted June 5, 2021 Share Posted June 5, 2021 Good idea! Bear in mind that version 16.12 of Process Explorer is the last one which works properly on XP. Link to comment Share on other sites More sharing options...
dmiranda Posted June 5, 2021 Share Posted June 5, 2021 21 hours ago, legacyfan said: is their any way i can completely disable that service? also thanks for all your help its good i can always turn to this forum for help-legacyfan Try p-serv - http://p-nand-q.com/download/pserv_cpl/index.html. I have version 2,7 running since forever, and it works like a charm. I haven't tried newer versions, but would like to know if someone is running them Link to comment Share on other sites More sharing options...
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