need help with svchost.exe - taking up 50% of cpu

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need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Fri May 11, 2012 11:47 pm

As the thread says, in resource manager svchost.exe(LocalserviceAndnoimpersonation) is taing up 50% of my cpu usage.

I read that you can disable it but if you disable every service it provides it can cause issues. I did in fact do this and whilst my cpu usage dropped to like 5% - I couldn't use the internet and some other issues. So I restored my system again and we're back to no problemo - other than svchost is using 50% of my cpu..

can anyone write me instructions on how to go into svchost and de-activate / unable services I do not need / make lower priority in order to give my cpu a break...?

Cheers.
Remember - the early bird may get the worm; but the second mouse gets the cheese!

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Re: need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Sat May 12, 2012 12:47 pm

^^

Yeah had already read that. It's for Vista and I have W7-ultimate.

It suggests, like all the other pc csites - to disable window automatic updates, which is hosted through svchost.exe. Tried that and it made lliterally zero difference.

I need to find out

1. How to find the list of all svchost.exe services / programmes / apps etc

2. Which ones it is safe to turn off or set to low priority

3. How to do all the above.
Remember - the early bird may get the worm; but the second mouse gets the cheese!

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It doesn't end with a bang but with a whimper..... and with a whimper, I'm splitting Jack!
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Re: need help with svchost.exe - taking up 50% of cpu

Postby jzzzzzzz » Sat May 12, 2012 1:15 pm

Go to a command prompt and type tasklist /SVC - This will show you which services belong to which svchost.exe. This is from the above linked article.
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Re: need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Sun May 13, 2012 12:11 am

Weird.

Just tried it.

Went to run and typed that in there. It bought up tasklist which appeared in this sort of dos type pop up screen which vanished after 1 second.

Same running it as administrator, it pops up and then vanishes in a mocrosecond.

V odd.
Remember - the early bird may get the worm; but the second mouse gets the cheese!

You're no daisy. You're no daisy at all!

It doesn't end with a bang but with a whimper..... and with a whimper, I'm splitting Jack!
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Re: need help with svchost.exe - taking up 50% of cpu

Postby kamala » Sun May 13, 2012 5:43 am

dont just type it in the run command, it will always vanish. open the command prompt first
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Re: need help with svchost.exe - taking up 50% of cpu

Postby Nuhaus » Sun May 13, 2012 8:38 am

Pretty obvious you've got a virus of some sort. I am running vista on a laptop and had a similar problem. I fixed it by using hijack this and malwarebytes. Hijack this will let you review and remove all processes at startup and malware bytes will scan your system like any virus scanner. Both are free. I also recommend major geeks as a good site to visit and go through for help with odd computer behavior.
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Re: need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Mon May 14, 2012 4:56 pm

Ran Avast full scan - no virus.

Hijack this is only for advanced users - wiki says best not to use it if you can't differentiate from essential and non essential services - which I cannot.

Ran ccleaner and fixed 400 something issues with the registry.

Svchost still using 50% of cpu in receourse manager though.

malwarbytes FOUND NOTHING.
Remember - the early bird may get the worm; but the second mouse gets the cheese!

You're no daisy. You're no daisy at all!

It doesn't end with a bang but with a whimper..... and with a whimper, I'm splitting Jack!
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Re: need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Mon May 14, 2012 10:11 pm

FIXED!!!

By crikey it WAS windows updater!

Serched for 'services' in the windows browser and entered the programme, scrolled down the list of services and disabled windows updater.

Waddya know, my cpu usage right now whilst typing this is a tiny 6%..!!!!!!

A.W.E.S.O.M.E
Remember - the early bird may get the worm; but the second mouse gets the cheese!

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It doesn't end with a bang but with a whimper..... and with a whimper, I'm splitting Jack!
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Re: need help with svchost.exe - taking up 50% of cpu

Postby computersolutions » Tue May 15, 2012 9:40 am

Still sounds like a virus to me, but if you're convinced...

32bit windows or 64 bit?

I'd probably start with reinstalling Windows Update
http://support.microsoft.com/kb/949104/en-us
Then removing the current virus sofware you use (Avast), and using Windows Defender, which is lighter, and better.


If it was something someone brought to my office, I'd remove the current virus software, clean the temp folders and then boot off of a CD/USB, do a quick scan for anything (to detect rootkits / and mbr based viruses that hide), then reboot, install 360safe, scan+update windows with that, then when satisfied its really clean, remove 360 again (as most people don't read chinese), then setup windows defender again.
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Re: need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Tue May 15, 2012 10:22 am

Um compsullutions - you missed the paost above your's where I stated - I FIXED THE PROBLEM AND IT WASN'T A VIRUS?
Remember - the early bird may get the worm; but the second mouse gets the cheese!

You're no daisy. You're no daisy at all!

It doesn't end with a bang but with a whimper..... and with a whimper, I'm splitting Jack!
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Re: need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Tue May 15, 2012 10:25 am

Oh also, for anyone interested in the topic - I ALSO went in services and disabled 'windows search.' It basically uses up pc resources by constantly indexing files etc. My memory usage went from just over 1gb to now 700mb of my 2gb onboard memory. Again, cpu usage is around 6% - 9%

No offence, but I'm glad I didn't take my laptop into pc sollution's office!
Remember - the early bird may get the worm; but the second mouse gets the cheese!

You're no daisy. You're no daisy at all!

It doesn't end with a bang but with a whimper..... and with a whimper, I'm splitting Jack!
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Re: need help with svchost.exe - taking up 50% of cpu

Postby Nuhaus » Tue May 15, 2012 10:15 pm

LDJS wrote:FIXED!!!

By crikey it WAS windows updater!

Serched for 'services' in the windows browser and entered the programme, scrolled down the list of services and disabled windows updater.

Waddya know, my cpu usage right now whilst typing this is a tiny 6%..!!!!!!

A.W.E.S.O.M.E


Ah yes,forgot about that one. Windows auto update is a pain in the ass. I always turn it off and update manually whenever I do a new install.
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Re: need help with svchost.exe - taking up 50% of cpu

Postby computersolutions » Wed May 16, 2012 5:10 am

Um compsullutions - you missed the paost above your's where I stated - I FIXED THE PROBLEM AND IT WASN'T A VIRUS?


Actually, no, you did not resolve the issue.

Resolving the issue would be finding out the cause why Windows Updater Service is using 100% cpu, and fixing it, so that it doesn't use excessive CPU.

Disabling the service is not fixing the issue.

In my experience, there is usually a cause for things going fubar, when it comes to Windows boxes, this invariably involves Viruses and Malware.

You can take my advice or leave it, but I'm generally correct when it comes to computer stuff.
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Re: need help with svchost.exe - taking up 50% of cpu

Postby swisscook » Wed May 16, 2012 7:54 am

I am fare from a PC Specialist myself.

But obversvation I made while in China is that Avast, Norton etc do not always pick up on all Virus / Malware / Trojan. I had 360Safe on my laptop as well and it picked up a few things that where not picked up by anything else. I have no clue if that is because it looks better & deeper or because it is made by chinese and thus looks more for threats made by chinese ????

Also I have made nothing but good experiences with computersolutions everytime I needed my laptop fixed or asked for advice on the forum. So I'd say he does know what he talks about...
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Re: need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Wed May 16, 2012 2:22 pm

No, 360 picked up more because it creates faux viruses in order for you to think you need its constant upgrades etc.

computersollutions - I have scanned with MSE, Avast, AVG and Malwarebytes. There is no virus or malware and my pc now works like a dream, as do those of my friends whom have now also disabled WAU and windows search. They too found zr oviruses or malware on their pc's. There are many threads in pc forums where experts heavilly reccomend these two actions. Cheers.

Swisscook - well good for you. I paid zero kwai and have a computer that works like a dream now.
Remember - the early bird may get the worm; but the second mouse gets the cheese!

You're no daisy. You're no daisy at all!

It doesn't end with a bang but with a whimper..... and with a whimper, I'm splitting Jack!
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Re: need help with svchost.exe - taking up 50% of cpu

Postby kamala » Wed May 16, 2012 3:24 pm

still the underlying issue is why would windows update do this on your computer?
its not normal.
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Re: need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Wed May 16, 2012 9:43 pm

Because it spends recources constantly communicating with microsfot update site and searching for updates and preparing to ready for download. Search takes up memory recourses by constantly readying to index, indexing and re-indexing file indexes etc. Neither service is really neccesary for the casual user.
Remember - the early bird may get the worm; but the second mouse gets the cheese!

You're no daisy. You're no daisy at all!

It doesn't end with a bang but with a whimper..... and with a whimper, I'm splitting Jack!
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Re: need help with svchost.exe - taking up 50% of cpu

Postby jzzzzzzz » Wed May 16, 2012 9:59 pm

LDJS, as you seem to believe you already know everything, why did you post on here?
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Re: need help with svchost.exe - taking up 50% of cpu

Postby jzzzzzzz » Wed May 16, 2012 10:05 pm

LDJS wrote:Because it spends recources constantly communicating with microsfot update site and searching for updates and preparing to ready for download. Search takes up memory recourses by constantly readying to index, indexing and re-indexing file indexes etc. Neither service is really neccesary for the casual user.


This is a f*cking laughable post. The Windows Update service should not be 'constantly communicating' with the MS update site. Also keeping up to date with updates on Windows, that has vast numbers of people trying to find exploits, is critical, especially for the casual user.
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Re: need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Wed May 16, 2012 10:11 pm

No, it isn't if the user already has a decent anti malware and spyware programme running.

But i guess you know everything huh?
Remember - the early bird may get the worm; but the second mouse gets the cheese!

You're no daisy. You're no daisy at all!

It doesn't end with a bang but with a whimper..... and with a whimper, I'm splitting Jack!
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Re: need help with svchost.exe - taking up 50% of cpu

Postby GC » Wed May 16, 2012 10:15 pm

LDJS wrote:No, it isn't if the user already has a decent anti malware and spyware programme running.

But i guess you know everything huh?


Some of the people post here working in computers for a living. You asked a question. They are trying to provide the correct long term answer rather than the short term fix you seem to have stumbled upon.
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Re: need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Wed May 16, 2012 11:03 pm

Except it is not a short term fix.

They are proposing I have a virus. If I had a virus that could get past avast, avg, malwarebytes and MSE - why would disabling WAU and windows search - lower my memory and cpu usage without having had affected the virus?

Why would many, many pc tech websites all have posts promoting the two things I disabled as a way to fix svchost from hogging recources?

If those two things weren't the problem, why would disabling them solve the problem? And why would the theoretical virus I have (I don't) suddenly stop doing it's nasty business? Surely by diabsling WAU - in theory my computer would be less 'protected - lol' and be in even more dire straights? Yet many many clued up techies do the same and claim that merely having a free programme such as avast is fine, without all the microsfot bloatware. Avast caught a nasty trojan that was doing the rounds a cpl years ago and I had no other programe installed at the time.

And no I did not post here already knowing this. I posted on another very popular and credible tech site and the fix I found was suggested to me there.

Google 'svchost fix' and read all about it for yourself instead of jumping to ill informed opinions and defences of others.

or carry on as normal, whatever, my pc and my mate's are awesome now and speedy as heck.

Some people are employed for a living doing a lot of things they are no good at also.

Traditional 'Chinese medicine' doesn't cure shite but it still is a multi million dollar industry!
Remember - the early bird may get the worm; but the second mouse gets the cheese!

You're no daisy. You're no daisy at all!

It doesn't end with a bang but with a whimper..... and with a whimper, I'm splitting Jack!
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Re: need help with svchost.exe - taking up 50% of cpu

Postby computersolutions » Thu May 17, 2012 1:41 am

They are proposing I have a virus.



If you look at what I suggested, I said I think it still sounded like a virus, but gave you the benefit of the doubt.
I suggest that the first thing to try is to reinstall the Windows Update Service, and provided you with a download link. I also asked what version of Windows you are running - eg 64 bit or 32bit, as there are different symptoms for each that might clue us into the actual cause.

I also suggested removing Avast and using the Microsoft Defender (now Microsoft Security Essentials) instead as its a lot lighter on system load, and does a pretty equivalent job.

Still sounds like a virus to me, but if you're convinced...

32bit windows or 64 bit?

I'd probably start with reinstalling Windows Update
http://support.microsoft.com/kb/949104/en-us
Then removing the current virus sofware you use (Avast), and using Windows Defender, which is lighter, and better.


Like I said, I deal with issues like this on a daily basis, I usually try to resolve the issue if possible, rather than disabling whatever then saying hey, its fixed! Typically there are *causes* to issues. If you want to play doctor and say you fixed it good for you, but you've essentially fixed the symptoms, not the cause.
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Re: need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Thu May 17, 2012 9:50 am

Avast in resource manager has a tiny load, actually.

I actually did let windows instal the latest updates before disabling and doing all my scans.

I ran ccleaner for the registry. I of course, removed all the anti virus / malware programmes from my laptop - bar avast - after using them to scan. I ran all the windows system tools, except disk defragmenter as on w7 ultimate it wont run if it thinks your disk is not fragged and mine was 0% fragmented.

I have 32 bit win7 ultimate.

It was definately wau that was causing the cpu load (I only disabled 'search' to gain more memory, it certainly wasn't causing any problems, just was adviced it's not neccesary, so why not disable it and free up some memory, my memory usage was only around 50%, so there was no issue there.) Now it might be that it is not svchost and wau per se that is the fundamental problem (thought two other firends now have had the same results as me after high cpu loads and then disabling WAU IN SERVICES, so kind of a coincidence)

Perhaps there was / is some other error with our laptops that is causing WAU to use too much cpu, or some problem with the way it interacts with svchost. PERHAPS. MAYBE. But hey, I can just keep it disabled and then once every cpl weeks, enable it and get the updates if I like. In the meantime, laptop works like a dream - zero other issues.
Remember - the early bird may get the worm; but the second mouse gets the cheese!

You're no daisy. You're no daisy at all!

It doesn't end with a bang but with a whimper..... and with a whimper, I'm splitting Jack!
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Re: need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Thu May 17, 2012 10:56 am

Also, svchost.exe IS contained in the windows32 file / folder, nowhere else (thus not virus) and I scanned it by itself with avast and mse and both said there was no threat.

One issue could be that in properties it is for some reason, set up in compatabilty mode for windows 95! Unfortunately, because it is part of windows installation, the properties manager will not let me change the compatabilty mode, as it is part of my windows intallation and that would require a fresh install and I don't have the disk anymore.

Anywho, I can just enable every cpl weeks and instal updates that way. Several tech nerds in another forum I use have insisted they don't even bother with updates (bar the rare one that comes out when MAJOR fix is needed for part of windows or it's programmes)and haven't for years with zero issues. Apparently as long as you're not downloading .exe files or porno etc, and have internet explorer set up to only allow access to your pc for sites with good certification, you're not going to run into trojans etc.

What think you guys about that?
Remember - the early bird may get the worm; but the second mouse gets the cheese!

You're no daisy. You're no daisy at all!

It doesn't end with a bang but with a whimper..... and with a whimper, I'm splitting Jack!
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Re: need help with svchost.exe - taking up 50% of cpu

Postby sd1674742 » Thu May 17, 2012 11:39 am

use analizer to analize the process and stop the process and then use the hook to divide unecessary part.
it's system process so you might need to do it under safe mode.
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Re: need help with svchost.exe - taking up 50% of cpu

Postby bigroh74 » Thu May 17, 2012 11:53 am

Why doesn't someone just pm him a virus and we can all start again... :88: But I'd tend to believe anything computersolutions says.
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Re: need help with svchost.exe - taking up 50% of cpu

Postby LDJS » Thu May 17, 2012 12:05 pm

@sd1674742 - I did that. It was WAU. Disabled it - cpu usage went from svchost taking up over 50% of cpu to almost zero cpu.

@bigroh74 - I'm sure he knows his stuff, but he just automaticlaly assumed it was a virus and was rather entrenched in his opinion about it. Please no virus emails!

Like I said it could be due to my svchost being in compatability mode for win95 - as the way windows updater wokred back then was different. Anyway, I'll just enable wau once every patch tuesday or so to see if there's anything I need.
Remember - the early bird may get the worm; but the second mouse gets the cheese!

You're no daisy. You're no daisy at all!

It doesn't end with a bang but with a whimper..... and with a whimper, I'm splitting Jack!
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Re: need help with svchost.exe - taking up 50% of cpu

Postby monalisalee » Thu May 17, 2012 12:43 pm

@bigroh74: How about a union between LDJS, and erin722?
They have SO much in common. Could be a union made in HELL, but would tidy up this site a lot. :lol:
Keep your best friends close by, but keep your enemies closer!
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