How to Fix Svchost.exe (netsvcs) High CPU Usage

Question Info

How to Fix Svchost.exe (netsvcs) Causing High CPU Usage or Memory Leak Problems
I run win 7 SP1 on a Dell Inspiron. If this folder is corrupted, then you will face problems during Windows Update. Then disabled wuap, restarted, installed KB, restarted, enabled wuap svchost at bay! Thanks Paul, I can't believe it was so easy after struggling for several weeks to apply other methods to XP, only to find that somewhere I didn't have the item I was supposed to click on. Bola Fahmi Oct 31, Insulting Xbox One loyalists by not allowing used games and backwards compatibility, then requiring mandatory internet connectivity. The Windows Update dialogue box shows important updates are available and ready to be installed.

Wuauserv Service in Windows 7 Uses Up to 50% of CPU and Memory

Fixing High CPU Usage and Memory Leak Issue by Svchost.exe (wuauserv)

Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.

User Name Remember Me? Hello So I had this problem for a while now and it's really annoying. Also I think that this problem have something to do with VMware but I'm not sure. Hello Master12, What is svchost. For example, Windows Defender uses a service that is hosted by a svchost.

There can be multiple instances of svchost. One instance of svchost. You can use Task Manager to view which services are running under each instance of svchost. It's normal for a computer to take a few minutes after booting-up for it to load of all applications. Windows 7 Pro 64 bit.

Can you elaborate on "High memory usage"? This is so subjective that it really means nothing. Your specs need to be more complete.

Make sure you list your security programs in your specs. I have currently a dozen of those running. B You can try to sequentially stop services one by one until CPU resources come back to normal. To stop a service temporary:. After you have figured out the culprit service or program, then navigate to Services in Computer Management to disable that service or totally remove the culprit program.

To disable a service on your computer permanently: In run command box, type: At Services management window, right-click at the culprit service and choose Properties. Change the Startup type to Disabled , press OK and restart your computer. In some cases the svchost. So, another solution is to clear Event Viewer's log. Right-click on Application and choose Clear Log. Perform the same operation and clear the Security , Setup , and System log.

In other computers, the svchost. The Windows Update Store folder commonly known as " SoftwareDistribution " folder , is the location where Windows stores the downloaded updates. If this folder is corrupted, then you will face problems during Windows Update. So, first try to force Windows to re-create a new empty SoftwareDistribution folder. Search for Windows Update service, then right click on it and select Stop. Upon restart, the next time the Windows Update checks for available updates, a new empty SoftwareDistribution folder will be created automatically by Windows to store updates.

Download Microsoft's Windows Update Troubleshooter to your computer. Run Windows Update Troubleshooter and press Accept at the first screen. Select the Detect problems and apply the fixes for Recommended option. Let the program to fix problems with Windows Update and then restart your computer.

Check for Updates again and if the svchost. Navigate to Windows Update Agent download site and download the appropriate package for your Windows edition and version. At the next screen choose your IE's menu language and choose Download.

Windows 8 already contains the DISM tool and you don't have to download anything. Just open an elevated command prompt and type: Double click to install the downloaded file e. Force Windows to check for updates again and see if the svchost high usage problem still persists. Other solutions that I have applied in different cases computers in which the "svchost.

Reset Windows Update Components. First make sure that you have already installed Internet Explorer 11 on your computer. If installation hangs, restart the computer and then immediately install the Update.

Restart your computer and check for updates. Restart your computer, Stop the Windows Update service and then Install the update. Let me know if this guide has helped you by leaving your comment about your experience. Please like and share this guide to help others.

Mariya Aug 27, Dotternetta Nov 17, Marc Oct 25, Thank you guys, i was close to a nervous breakdown. But no CPU issue. I followed solution 3 and step 1 of solution 4 and … miracle! Mitchell Sep 27, Hi Just to add: My wife never has long sessions — just some email checking — which means that the search in Windows Update was never finished. Next time she opened the pc the list of updates has probably become even longer and the search was even farer from being complete…. After having tried some of the suggestions at this page i gave up… almost… Set Windows to run over night and after 10 and a half hours the search for updates were completed.

After one more hour all the updates were downloaded. And after additional 7 hours all updates were installed. Windows Update runs like a charm now. And no high CPU usage by svchost any more.

Patience did the trick. Sharad Kumbharana Aug 06, Kwaq Jul 16, William Jul 15, Folks if it helps at all, I managed to fix my problem completely. Win 7 Home Premium x86 dell E I tried the update troubleshooter but it gave me a 0x error everything else was fixed. System said I already had kb so I went ahead and installed kb whilst being disconnected from the router and disabling Windows Update both in the Windows Update program and by stopping the service. To be honest I am contemplating whether or not it's actually better to set it to manual and put a big sticker on the laptop saying "manually update every 3 months or let me check"..

I prefer human intervention with these updates so as to weed out any er, how can I put it, irregularities with stuff we are told we need or force-fed but actually don't like the free Windows 10 upgrade lol.

Oh, and whilst it's telling me it's found some updates.. All this may not be directly related to what some users here are encountering, but I thought I'd share it in case it helps. Previously neither the Update Troubleshooter nor readiness tool appeared to solve it; it was good old kb Half of me would like to know the exact cause of this error, which so many people seem to be suffering, the other half is just mentally shattered after 6 hours of deleting folders, resetting the update procedure, looking in the registry etc.

I hope this is of help to someone. If I get any probs I'll update them here. Thanks very much for your advice. This on a pre-configured Dell machine I'm supposed to be fixing. I tried everything in this guide and it didn't fix it however I have learned more about the way Windows works; that sometimes the only answer is a re-install and that guides like this are invaluable for the majority of users.

I set Windows Update to manual and hey presto: So again, thanks a lot for your diligence. In most cases your advice has worked a treat in one form or another.

Eddie H Jun 23, Christine Jun 15, Amri Jun 14, Christopher S Nall Jun 14, I tried all the Malware fixes, virus scan, etc, but when I got rid of Windows update service, voila! Quick note on the links on my previous post. That word 'Vista" at the end of the link parameters should be part of the link, so you get 2 options only plain 32 bit or stated 64 bit — maybe the admin here can fix that?

Alternatively, open a browser and go to; http: Vista 32bit also for 64bit Having had windows update turned off for almost a year and a bit worried now re the WannaCry ransomware thing recently I came here to try and see if anything would fix it… Nothing seemed to work for me here. There are some links there that help, One of which explains why the svchost gets this problem re-complexity of program and recursively checking the possible updates against previously installed updates which by now is a very long list to check etc….

Anyway, I installed the following as recommended from that page… download and install one at a time and 'restart' after each of them. Saw a note somewhere about some browser issues that made it difficult to do this I had no issues using mozilla firefox.

Before starting check if these updates are already installed. Open windows update and navigate to view installed updates, wait a while untill it lists them all then enter the KBnnnnnnnn into the search field. If it shows then sorry, not sure this will help, but check for em all anyway. If any are missing then continue… I suggest you set up a restore point, Google: The restart on KB was a bit worriyng as some service wasn't started and it looked like I had a new skin on everything… almost like safe mode — however on shut-down and reboot it all came back up ok, but was worried for a while….

You are about to find out if this has done the trick! Having installed those updates I wasnt really expecting much, but I ran windows update manually and noticed a definite change of behaviour between svchost and TrustedInstaller. They were sharing the CPU time better, though sometimes still high, but jumping from one to the other like they were actually doing something positive… also svchost Yoyo'd around the Mb mark to The install of the 26 updates took till Restart all went well a bit slow though as it probably had a lot of housekeeping to do , but all seems good.

I Re-ran windows update and Task Manager — after about 10 minutes I had 1 optional update offered… Which I am currently installing. Whats great is that i am actually able to use other pc programs etc now while windows update is running..

Couldnt do that before! Going to try and set windows updates to automatic tomorrow.. Jo Mar 09, To make it simple… just check the "Windows Update" service. I think I have disabled it a long time ago so I never thought that it will be the problem again. Or that might be on other computer. But it turns out that it IS the problem. Adebra Feb 04, I have an Acer mini with Windows 7 Starter that I only use for travel.

I started it up after several months of disuse and as soon as it connected to the internet, it jammed up to a halt. Solution 2 got it working again. Thanks so much for this step-by-step! Chris Jan 18, I followed each step within each solution literally and after I got through Solution 4 — Step 1, my laptop was fixed.

Omar Natour Jan 08, Hey, here's a simpler solution: Windows update service is having some sort of problems lately, you can turn it off manually by following these steps: Dave L Jan 04, Mitchell Dec 26, Then we "Stop" that Service after Microsoft Security Essentials has finished, and after the Stop command has finished, we change "Startup type" to "Disabled".

Angela Aston Dec 31, Thanks Paul, I can't believe it was so easy after struggling for several weeks to apply other methods to XP, only to find that somewhere I didn't have the item I was supposed to click on. Treb Dec 16, Rick Shaddock Dec 12, So like crazy my cmoputer was using CPU trying to update.

Pegsat Dec 10, I've had this problem for some time and discovered that it was solely caused by Windows Update Service. Another was listed but not using the CPU like the first one. By following it's relationships in the program, I systematically turned off all the services related- one by one. At that point I set Windows Update on "Manual".

Since then, it only happened when I was updating a driver and had to go back in and stop it. If it works for you, set it to manual. Ken Dec 09, This was a great help! I just used the first part and identified the services involved. It turned out to be, as suggested elsewhere, Windows Update. I am running Windows 7 bit and have found updates are nearly impossible to run as the downloading function runs forever!

Jahir Dec 05, Jerry Dec 03, I was sceptical about this method. I lost hope, so many times I tried, but I did it all step by step and solution 4 works. Danpatins Dec 03, But thanks to your tutorial coz it lead me there.

Gershon Nov 28, Thanks to your post I could quickly identify the svchost process and tethered wuauserv service as the leading cause.

Followed through solution Nos 1 to 3 of your post but the problem re-occured upon system restart. After Windows Update installed the November, Security Monthly Quality Rollup for Windows 7 for xbased Systems KB the issue was solved for good and svchost does not any longer reduce performance of my system. Thank you so much for your most helpful post! A donation is well deserved.

Brad Nov 25, All the other steps left me with the same results, windows update service hogging half the CPU, and never finishing a scan for any new windows updates when enabled. Was just about to disable windows update service for good, and call it quits, but glad that final step did the trick!

That link lead to a newer one which I installed: This is by far the best article on this topic out there! Alex G Nov 25, Thnks for your help!

It was Windows Update. Deleted softwaredistribution, fixed the issue! Jai Nov 24, I did the suggested steps of clearing the log files and forcing a new c: Thanks for the helpful tips. Christopher Wuttke Nov 02, My Laptop was driving me crazy. Suddenly I had the CPU going crazy high, the fans were acting like crazy. Had no idea why, searched high and low for the answer…then found this guide. Got to number "3. Found the culprit…it was a constant Windows Update.

I ended it…and suddenly everything was perfect again. Bola Fahmi Oct 31, Thanks a lot for this guide.. That's the most consistent guide I've -luckily- found on the web, Hands down.. I haven't done much but found out that windows update was the reason behind all these problems.. Bhiko Oct 27, Then I renamed C: Mike Oct 26, David Beroff Oct 24, But I can't get past KB, step 5 , because the Windows Update service continues to spin, but when I disable the service, the installation of course fails.

Sivanesan Oct 23, JaCaria Oct 23, Nev Oct 15, Robert Sep 20, Windows appeared not to have found any updates so i thought i can't leave this on all night. So if you see a flag in the system tray with mark next to it warning of issues mine was to check your Windows update settings as i had changed it to Let me choose when to update earlier.

I turned it back on and message said upadates would install next time your Pc is turned on. So as of right now turned Laptop on took a while for updates to install 9 in total. Laptop is 4 years old Samsung 3 series Notebook.

Robert Sep 19, Everthing looked ok but now it returned again sadly so i will look at the next step another time. And when you do this just check afterwards if you notice suddenly your CPU shoots up and stays there.

Clearing the Event Log for me only stopped it temporally so this was my next step. I will come back here should i still have the same problem and follow a different step on this page.

If you noticed only after sometime like myslef that your Desktop or Laptop is behaving oddly like slowing down Page takes a while to fully load and only able to open 2 tabs rather then many more fully loading up ,Apps take longer to load, Fan runs wild constantly and you will notice it gets hot there to when you touch that area of your PC.

All this has stopped for me and i have a Windows XP service pack 1 purchased in Feb Sudhindra Sep 15, Its because windows update so follow this easy steps: Ali Sep 15, Brian Oct 09, So the idea is to never get updates again, Suhindra?

You suggest a dangerous "fix" for the problem. Ebi Sep 15, Thank you for your good stuff! Even though non of your solution resolved my problem. I had one of the svchost. I could get my memory back if I disabled then re-enabled my network connection.

I tried many suggestions including the processes on this page, but nothing fixed it. I was finally able to identify the nsi service as at least part of the problem. Microsoft had a KB hotfix that addressed issues that were similar to what I was experiencing.

Driver Easy will then scan your computer and detect any problem drivers. Driver Easy uses cookies to provide you with better services. By continue using the website or clicking Close, you agree to our privacy policy and how we use cookies. By Sophie Luo — Last Updated: According to Microsoft, svchost.

How do I fix it? Scan your computer for viruses 2: Empty event viewer log 4:

Wuauserv: High CPU and Memory Usage on Windows 10