Ntoskrnl.exe 100% disk usage windows 8.0 and 8.1

This is a bug report. I hope Microsoft will take it seriously as it took me a whole day and much stress to track it down. Basically my problem was the same as this: http://slopjong.de/2013/04/23/extremely-high-disk-activity-with-windows-8-and-how-to-fix-it/
However in the graphic on this site it appears to show that Virtualbox is the culprit. However this is unlikely to be the case, as the author of the site fixed his problem by following his own advice. This is an extremely common problem as this Google search
indicates:
https://www.google.co.uk/#q=ntoskrnl.exe+100+disk+usage+windows+8
To attempt to address my own problem first I disabled all non-microsoft services in Windows 8.1 professional. When this had no effect on the problem, I then disabled all non-essential Microsoft services. In turn. when this has no effect I disabled all user
installed start-up items. Again when this failed to have an impact, I changed my browser from Firefox to Google Chrome, as I noted that the extremely high disk utilisation was at it's worst when using Firefox. This also had no effect.
I then tried a variation of my search on Google "ntoskrnl.exe 100 disk usage windows 8" (I can't remember the exact variation) and stumbled over the above site at the beginning of this message. I had by that point tried everything that was in my power
to try. But I noted from this article that the author recommended changing the power plan from 'balanced', to 'high performance'. Since I had exhausted every other avenue, I decided to try this and like magic, instantly it worked. So there is clearly
a bug in Windows 8.1 (and 8 prior to this) that causes 100% disk utilisation. I thought someone at MS might like to know about it and come up with a way to fix it.
Below is my system configuration. Please note this system configuration may contain a number of errors, as it was generated with several non-essential Microsoft services disabled. I do not believe these issues need to be addressed. However the issue of 100%
disk utilisation when using a 'balanced' power plan on Windows 8.1 (and 8.0) almost certainly does.
PS
This message board system will not allow me to post my full system configuration. MS need a better bug reporting system! Apple allow the public to submit bug reports, so why not Microsoft too. The public can find useful bugs!

Hi,
Thanks for your detailed description.
We considered that the culprit for every computer is different. For the specific PC, we need to analyze the specific issue.
Please trace the performance using the Windows performance toolkit.
http://msdn.microsoft.com/en-us/library/hh162945.aspx
The download link is below:
http://www.microsoft.com/en-US/download/details.aspx?id=39982
Then upload the .etl file to Skydrive. We will help you analyze.
Karen Hu
TechNet Community Support

Similar Messages

Ntoskrnl.exe 100% disk usage windows 8.0

Hi I'm new this lync tech, wasn't sure what forum to post this question but hoping someone might be able to help me.
I have look over the top related threads and tried all suggest fixes, plus google and dell community and found no suggestion that works. My problem is the same as http://social.technet.microsoft.com/Forums/lync/en-US/ee8834d0-3c6e-4eb8-9c31-a6d1651d61de/ntoskrnlexe-100-disk-usage-windows-80-and-81?forum=w8itprogeneral
and nothing seems to be working. as suggested in the above thread i traced the performance using the Windows performance toolkit. https://onedrive.live.com/?cid=E4F23413171DB65A&id=E4F23413171DB65A!178 is the link the etl file.
Im not really sure what im looking at when looking at this file through the analysis, could you please help?
Kind regards

Hi,
Thanks for your detailed description.
We considered that the culprit for every computer is different. For the specific PC, we need to analyze the specific issue.
Please trace the performance using the Windows performance toolkit.
http://msdn.microsoft.com/en-us/library/hh162945.aspx
The download link is below:
http://www.microsoft.com/en-US/download/details.aspx?id=39982
Then upload the .etl file to Skydrive. We will help you analyze.
Karen Hu
TechNet Community Support

Ntoskrnl.exe 100% disk usage windows 8.1

hi mycomputer have been super slow lately, after searching and scaning for virus, i found that it was ntoskrnl causing it,
i already downloaded the windows perfomance toolkit, i scanned for 30s with the default settings.
this is what i got (im trying to upload it to skydrive but internet is way too slow)
http://i.imgur.com/y7xeGNH.png

Hi,
We need the whole .etl file to analyze. Please upload the whole file to OneDrive and share the link here.
Karen Hu
TechNet Community Support

100% disk usage windows 8.1

dear support,
Currently my system is displaying a 100% disk usage with the main cause being system.
I've tried disabling the services superfetch and windows search to no avail.
I'm currently running the windows performance toolkit in order to get more system information. Where should I upload the logfile in order for you to see what's the cause of the problem?

Without the trace files or any information about what is shown by Resource Monitor to be using the drive there is no way to provide further suggestions.
The one piece of advice that I can give is, if the application causing 100% disk usage is tiworker.exe, you may want to leave the system running overnight or for an extended period of time. Tiworker.exe
cleans up the core system files following installation of updates and ultimately restores space and performance to your system.
Brandon
Windows Outreach Team- IT Pro
Windows for IT Pros on TechNet

Windows 8.1 slows way down by 100% Disk Usage whenever playing PC Games (ntoskrnl.exe System)

This issue has been going on for just a couple days. As soon as I launch any game on my PC my computer immediately slows to a crawl. It has never froze nor have I got the BSOD. I have noticed (in the task manager) that the System (ntoskrnl.exe)
sucks the life out of my Disk and it jumps to 90-100%. I have read about 50 articles about this and many people seem to have unique reasons why this happens. It has never happened before on Win7 and just started happening in Win 8.1. So things I have
tried:
Disable unnecessary windows services.
Changed Power Options and tweaked with some of the advanced settings.
Scanned for Malware (none found)
Scanned for viruses (none found)
Disabled Windows Media Center (since the problem started shortly after installing it)
Performed Deep scan for viruses in the registry (none found)
Windows Memory Diagnostics Tool (no errors found)
As I type this I am performing another virus scan and my Disk is at 99% as shown in the task manager. I assume this is because of Norton (and System) sucking up the HDDs. Like I said this happens every time during
gaming. Not sure if there is a connection between the two. That is just when I notice the issue.
So the problem at hand makes gaming (and any other application while gaming) nearly impossible. The games and programs all work just at a very slow speed. I finally asked tech support from Microsoft and they said (without letting me explain much
detail) that I had a virus and they tried to sell me anti-virus software. Anyone able to help me resolve this issue? It is "killing" me that I cannot find a resolution for this.
I will post screen shot of anything that might be of help if you need it.
Thanks

In order to diagnose your problem you will need to download and install the below
Install the WPT (windows Performance Toolkit)
http://www.microsoft.com/en-us/download/details.aspx?id=30652
Help with installation (if needed) is here
When you have, open an elevated command prompt and type the following
WPRUI.exe (which is the windows performance recorder) and check off the boxes for the following:
First level triage, CPU usage, Disk IO.
If your problem is not CPU or HD then check off the relevant box/s as well (for example networking or registry) Please configure yours as per the below snip
Click Start
Let it run for 60 secs or more and save the file (it will show you where it is being saved and what the file is called)
Zip the file and upload to us on Onedrive (or any file sharing service) and give us a link to it in your next post.
Wanikiya and Dyami--Team Zigzag

Ntoskrnl.exe System %100 disk usage with windows 8.1. all the time!.

hello i am also having the %100 disk usage problem and am starting a thread to upload my etl. file and see if i can get a solution. thnx. i should also mention i have tried every suggestion i have read on the internet even ones that worked for other people
did not work for me i.e. (switching to high performance power plan, disabling cd drive, etc.) no matter what i try "system" is always utilizing 90%-100% of my hard drive and it is driving me crazy.
i can barely do anything on computer without it taking 10x times longer than it should. ive also run dskchk and boot time virus scans and malware scans. all to no avail. i have more than enough ram and a quad core cpu. when i first purchased my laptop it
was running windows 8 and was lightning fast once i upgraded to 8.1 i think is when the issue started occurring.
i am currently installing the windows assessment and deployment kit right now and will upload my etl. file to the skydrive asap.

Jonny
In order to diagnose this problem please follow these instructions
Install the WPT (windows Performance Toolkit) http://social.technet.microsoft.com/wiki/contents/articles/4847.install-the-windows-performance-toolkit-wpt.aspx ,
open a CMD prompt with administrative rights (right click it>run as admin) and run this command for 60 secs to capture the high HD usage:
xperf -on PROC_THREAD+LOADER+CSWITCH+FILENAME+FILE_IO+FILE_IO_INIT+DISK_IO+DISK_IO_INIT+DRIVERS+PROFILE -f kernel.etl -stackwalk Profile+CSwitch+DiskReadInit+DiskWriteInit+DiskFlushInit+FileCreate+FileCleanup+FileClose+FileRead+FileWrite -BufferSize 1024 -MaxBuffers 1024 -MaxFile 1024 -FileMode Circular && timeout -1 && xperf -d XperfSlowIOcir.etl*When complete, zip the trace & upload it to skydrive (or some other file sharing service) and put a link to it in your next post.
Wanikiya and Dyami--Team Zigzag

Windows 8.0 ntoskernel has producing 100% disk usage

hello i am also having the %100 disk usage problem and am starting a thread to upload my etl. file and
see if i can get a solution. thnx. i should also mention i have tried every suggestion i have read on the internet even ones that worked for other people did not work for me i.e. (switching to high performance power plan, disabling cd drive, etc.) no matter
what i try "system" is always utilizing 90%-100% of my hard drive.
the issue started with windows 7 Ent edition and I decided to reflash the drive Cof my Laptop HP Probook 6470B with windows 8.0 ENT 64 bits and has the
same symptom ntoskrnl.exe is causing hiccups on I/O and delays . The access to C on windows 8 compared h Windows 7 is better but continue showing the issue.
Other peers on the same company not complaint of this delay but I'm sure that they have same symptom.
the symptom is that the Ntoskernel read and write constantly few bytes for fractions of second but repeatedly, the effect is that the queue disk
is high and this issue no let to use the drive C, the system need to wait that the drive is free to let that other applications can use the drive SATA.
I try to share my .etl collected with windows performance analyzer , but "ONE drive" application no let my up more of 100MB in single
file.
If you can help provide some space to upload the file will be appreciated.
Regards
Luis Velazquez

Hi Wanikiya,
Unfortunately I can´t remove the Mcafee sw due that is is a policy of my company.
Checking the MS Performance tool you can see that the behavior that show the disk is caused not by Mcafee process. You can select only Process system (4) and right click and select filter selection you can see that the output match exactly with the
disk behavior.
when you put the mouse and click the top 100 % line of the graph you will see a message like this:
Path name- c:\$logfile
IO Init Stack -- [Root] /ntoskrnl.exe ? /ntoskernel.exe?/nto..../fvevol.sys!?/volmgr.sys!/partmagr.sys!?
the Pathname change in each point of the graph but the IO Init stack remain the same.
I'm afraid the the SATA drive is having an issue and windows try to fix.
But if you found something more let me know.
Let me tell you that I'm using bit locker encryption and all the data on my disk has been encrypted.
Any idea will be welcome.

Windows 8.1 100% Disk Usage Problem

I am running a Toshiba Satellite C855D-S5110. 12 GB Ram, 456 GB HD with 311 GB free, CPU Max speed 2.7 GH. My computer, as many other
W8 and W8.1 users seem to suffer, is nearly constantly at 100% disk usage (apparently
I have seen many claims as to what causes this; some even say it involves a bad HD. However, I do not think my HD is bad because
1. My HD was fine before I got 8.1, to the best of my knowledge ( was on 8 prior to 8.1)
2. Most importantly, when my computer isn't in the 100% phases, it seems to work absolutely fine!
I would like help in figuring out what to do about this problem, as well as why it occurs and why it works the way it does (i.e. seemingly just going away for long periods of time).
It is extremely difficult to work when my computer is being very slow, and not knowing when it will happen or what makes it stop happening is frustrating.
I will provide below a list of measures I have taken, edited to include new things tried.
1. Adding RAM
2. Increasing pagefile
3. Running programs to clean up clutter, fix registry problems, free up memory, etc (specifically, Iolo System Mechanic)
4. Disabling the Windows Search Indexing service
5. Checking for updates
6. Running Microsoft Security Scanner (it found nothing)
7. Disabling Live Tiles (of which I only had one in the first place!)
8. One person claimed that their problem went away when they ran Skype, of all things. I tried this, though it did not do the trick.
9. Booting in Safe Mode.
10. Clean Boot.
11. My drive is 0% fragmented.
12. Trying to repair the Windows Image does nothing, as it comes up as being healthy when scanned.
13. sfc /scannow did not fix the problem either.
14. Running Microsoft's performance scanner and uploading the .etl file got me a reply blaming Chrome, which is impossible because
the problem occurs with no programs running. I will try another recording and put it up; the link will be edited in.
https://skydrive.live.com/redir?resid=DD4BA6A3F312AE94!945&authkey=!APrxfxQeNw14igc&ithint=file%2c.etl

Having the exact same problem on a computer after the Windows update installed from 8.0 to 8.1.
Even after reloading the computer from scratch.
The drive activity goes WAY up when booting - to 100%. It then seems to calm down but randomly will go up and down throughout the day peaking at 100%. Even when nothing is open except a MSWord page into which I am typing.
If other programs are open such as Excel and/or Internet Explorer they will display the file name at the top as usual with (Not Responding) at the end. The screen will fade to an opaque look. This lasts for up to approx. 15 minutes at times and the computer
responds to no keyboard or mouse clicks. The mouse pointer on the screen still moves but nothing happens when I click on anything.
I managed to keep the Task Manager visible and it clearly shows less than 20% memory use and less than 5% CPU use when this occurs. But the HDD is at 100%.
The fact that it was fine prior to updating to 8.1 indicates an issue with 8.1 to me. Absolutely nothing else has changed on this machine - aside from Windows Update.
This is a know fault and I hate W8.1. Once it finishes whatever it is doing then there are a bunch of screen flashes as it catches up to what ever and where ever I had clicked with the mouse while it was frozen. It is like it is catching up because W8.1
is causing the HDD to ???????????
Another issue I encounter is the stupid Automatic Maintenance that cannot be disabled. I have found nothing to accomplish this that actually works no matter what anyone has posted on MS sites. It last rendered my computer today useless for approx. +1
hour today!!! I had been using the computer and it was never idle for more than 1 or 2 minutes but yet it started. It is set to run at 1:00 am but it was only approx. 5:00 pm.!!
The Automatic Maintenance is not running however, when the computer freezes and uses 100% HDD as indicated by Task Manager.
Also I can disconnect the computer from the modem or power off the modem and the HDD remains at 100%! So it is not sending nor receiving anything at that time.

100% disk usage in Task Manager when using Photoshop CC (Windows 8.1 - 64 bit)

Hi
I have been using Adobe CC for a month or two now. I own an Asus laptop with Intel i7 (2.4 GHz), 6 GB RAM, 1 TB hard disk space and 64 bit, nearly 6 months old. Following apps are currently installed: Photoshop, Illustrator, InDesign, Audition, Acrobat XI Pro, Premiere Pro and Media Encoder. I recently performed an update through Adobe CC for Photoshop and Illustrator, all others are up-to-date.
I believe, but I may be wrong, that since this update Photoshop is acting weird on my laptop. When I start Photoshop, my task manager immediately indicates a 100% rate of my disk usage. This seems to wield off after it is fully operational, but when I start to edit a file, the disk usage immediately jumps back to 100%, while the CPU remains below 10%, RAM stays at 3.5-3.8 GB (only 60% of total capacity) and even the actual read and write speeds of my HDD are not particularly high (5 - 10MB max). And because of the 100% disk usage, Photoshop freezes in an instant and operating it is nearly impossible.
I already uninstalled Photoshop, went over all services and **** that could trigger this within Windows 8.1 (Google-search for: Windows 8.1 disk usage 100%) , re-installed Photoshop and I still have the same problem.
So, I was wondering if there might be a solution to this problem or if anybody else is having this problem as well?
Thanks in advance!
UPDATE: This error applies only when I try to manipulate, add, edit or remove text. All other functions (not related to text) seem to work properly.

No, I don't know much about that, but I found a couple links for you..
"service host: Local system (network restricted)(11)" eating virtual memory
http://www.reddit.com/r/techsupport/comments/1b496x/windows_8_high_disk_usage_usually_arou nd_100_and/

Windows 8.1 100% Disk Usage/High CPU. HELP!!!

Can an expert possibly assist me in identifying what is causing my HP-G72 laptop to encounter severe CPU/Disk Usage issues??
I have zipped the folder containing the results from the WPT and uploaded it to my OneDrive but it will not let me put the link in the body of this post.
Please Help!

You can include a link by replacing http:// with xttp://
In order to diagnose your problem you will need to download and install the below
Install the WPT (windows Performance Toolkit)
http://www.microsoft.com/en-us/download/details.aspx?id=30652
Help with installation (if needed) is here
When you have, open an elevated command prompt and type the following
WPRUI.exe (which is the windows performance recorder) and check off the boxes for the following:
First level triage, CPU usage, Disk IO.
If your problem is not CPU or HD then check off the relevant box/s as well (for example networking or registry)
Click Start
Let it run for 60 secs or more and save the file (it will show you where it is being saved and what the file is called)
Zip the file and upload to us on Onedrive (or any file sharing service) and give us a link to it in your next post.
Wanikiya and Dyami--Team Zigzag

Ideacenter a520 100% disk usage win 8.1

I have a few Ideacenter a520 and all of them have the same issue 100% disk usage and its killing productivity. Searching around it seems this is a common issue with Lenovo but I have tried many of the fixes listed but cant get it to change.
-Restored to factory defaults with built in lenovo recovery - No change
-Stopped Services for Expresscach / uninstalled anything to do with it - No change
-Removed every Lenovo bloatware I could find - No change
-SMART test and all HDD tests pass the HDD fine.
-Tried to resintall with a fresh windows 8 disk but ALL of these WILL NOT boot from CD or USB. Even BIOS wont list the CD Drive as a bootable option. Wont accept USB CD/DVD drive either althought sees them fine in windows. -NO CHANGE
-No bios update for this modle.
-updated all drives and windows updates to 8.1 - NO CHANGE
Not sure what else I can do to solve this issue? I wish I could boot off CD or USB media so I could do a fresh install and have 0 Lenovo Bloatware as that is probably the cause as found in other forms.

In order to diagnose your problem you will need to download and install the below
Install the WPT (windows Performance Toolkit)
http://www.microsoft.com/en-us/download/details.aspx?id=30652
Help with installation (if needed) is here
When you have, open an elevated command prompt and type the following
WPRUI.exe (which is the windows performance recorder) and check off the boxes for the following:
First level triage, CPU usage, Disk IO.
If your problem is not CPU or HD then check off the relevant box/s as well (for example networking or registry)
Click Start
Let it run for 60 secs or more and save the file (it will show you where it is being saved and what the file is called)
Zip the file and upload to us on Onedrive (or any file sharing service) and give us a link to it in your next post.
Wanikiya and Dyami--Team Zigzag

100 disk usage all the tim HELP!!

Hello,
I have the exact same issue as everyone else. I have searched everywhere, tried all things, still no answer. It is happening on multiple computers.
100% disk usage, 1000-20000 average response time on disk. Computer comes to a grinding halt. I ran the Windows Performance recorder and have uploaded it to:
https://onedrive.live.com/redir?resid=E5CBEAF37CA3B8E8!6192&authkey=!AB_8EuHGdi20VuQ&ithint=file%2c.etl

Hello,
Yes.
I am still having the same issue.
100% disk usage, 1000-20000 average response time on disk. Computer comes to a grinding halt. I ran the Windows Performance recorder and have uploaded it to:
https://onedrive.live.com/redir?resid=E5CBEAF37CA3B8E8!6192&authkey=!AB_8EuHGdi20VuQ&ithint=file%2c.etl

100% disk usage 20 minutes after logon

After logging on several users in our environment experience 100% disk usage for up to 20 minutes.
OS: Win 8.1
I tried the following:
Disabling Superfetch, Windows Update services and other services that might cause the issue.
Manually configuring Virtual Memory and paging file
Applying updates
Disabling antivirus
Analyzing with Procmon - unable to see root cause.
Also ran chkdsk.
Any tips would be appreciated.

Karimselm
YOu may be able to get more detail by running a windows performance recorder trace. Instructions for which are in the below wiki. Since the problem appears on boot (And I assume no other time) you should use the boot configuration. Save
any open data as it will reboot automatically. Upload the trace to onedrive or any file sharing service and put a link to it in you next post
In order to diagnose your problem we need to run Windows performance toolkit the instructions for which can be found in this
wiki
If you have any questions feel free to ask
Wanikiya and Dyami--Team Zigzag

Windows 8.1 - 100% Disk usage & most of it is by ntoskrnl.exe ?

Hi,
The day i bought my new vaio laptop. i m facing this Disk usage 100% problem as it came with by default windows 8 OS. I thought it may be an bug or something may be it will be get fixed in windows 8.1. but , even after updating to windows 8.1 m still facing
the same problem.
I gone through so many forums and tried everything. even i tried with clean windows 8.1 installation.
So,please i just want to know is there any solution for this. or now finally i have to go back to windows 7.
Thanks,
Maddy

Maddyy
If your computer came like this return it to your place of purchase. If that is impossible please upload your event viewer logs so we can examine them
Please provide us with your Event Viewer administrative logs by following these steps:
Click Start Menu
Type eventvwr into Search programs and files (do not hit enter)
Right click eventvwr.exe and click Run as administrator
Expand Custom Views
Click Administrative Events
Right click Administrative Events
Save all Events in Custom View As...
Save them in a folder where you will remember which folder and save as Errors.evtx
Go to where you saved Errors.evtx
Right click Errors.evtx -> send to -> compressed (zipped) folder
Upload the .zip file to skydrive or a file sharing service and put a link to it in your next post
If you have updated to win 8.1 and you get the error message "the system cannot find the file specified" it is a known problem. The
work around is to edit the registry. If you are not comfortable doing this DONT. If you are, backup the key before you do
Press Win+"R" and input regedit
Navigate to:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels. Delete "Microsoft-Windows-DxpTaskRingtone/Analytic"
Wanikiya and Dyami--Team Zigzag

System (ntoskrnl.exe) high cpu usage in Windows 8.1

Sir/Mam,
I'm having this issue since last week, when i checked it is the "system" (ntoskrnl.exe) file which is using upto 18-24% of my CPU and causing all other applications to stutter for a second (incluuding Media player, mouse pointer, everything).
By using a Process Explorer software i found out that it's related to these values running under that file:
" ntoskrnl.exe!RtlSidHashLookup+0x1ffc "
It slows down my PC for a second and it happens after every 5-6 seconds (approx.).
Using Microsoft Windows 8.1
Lenovo Z50-70
Need help.

Hi,
The WPA shows that it is WmiPrvSE.exe (WMI Provider Host)that occupies up to 20% CPU, and three threads are the causes, 8328\7988\8828. but hard to find deeper information from this, so please use process Explorer or process monitor to find more information
about WmiPrvSE.exe and the 3 threads, you can refer to this link
http://social.technet.microsoft.com/Forums/en-US/77f8bc7d-663c-4c33-b732-f362c5585300/service-host-local-system-is-intermittently-using-30-of-my-cpu-windows-81?forum=w8itproperf
Regarding to the wireless or LAN driver, I suggest you update the driver to latest version if it doesn't work fine.
Yolanda Zhu
TechNet Community Support

Ntoskrnl.exe 100% disk usage windows 8.0 and 8.1

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