Fix system and compressed memory high disk usage on windows 10

Windows Users report after recent windows 10 Upgrade system became not responsive at startup and 100% Disk Usage by System and Compressed Memory. If you are also facing the same problem continue Reading this post we have some most effective solutions to fix the system and compressed memory high CPU usage, ntoskrnl.exe or system and compressed memory high disk usage or 100% memory usage problem on windows 10. Before applying solutions Lets first Understand What is system and compressed memory ( ntoskrnl.exe ) And why its usage 100% Disk or CPU?

Issue: system and compressed memory high disk usage
Getting 100% disk usage in Windows 10, And the system and compressed memory 
is taking 100% CPU, Disk Usage.I tried disabling superfetch, windows search, 
windows update, show my tips about windows and more stuff but I still have
100% disk usage, I updated steam to see if it was the problem, my disk usage went
to 2-1% but after a while it became  100% , and it's not a virus, 
I tried running windows defender and Malwarebytes and there are no viruses, 
should I replace the HDD ? or is it fixable? I have a i3 2310M 2.10 GHz processor 
and 4GB RAM and the HDD I have is wdc wd3200bpvt-75zest0.

What is system and compressed memory?

System and compressed memory is a Windows service which is mainly responsible for compressing the different types of files and folders as well as the management of any RAM that is available. Which helps to handle the compression and extraction of your less use and old drivers and files, making it easier to store and faster to use when you need them. Also controls and monitors various functions which are related to the system and Random Access Memory associated operations.

Basically, this system and compressed memory process are supposed to occupy a very small amount of space on the disk as well as the CPU. However, sometimes due to any reason the process can begin to use almost 100% Disk and CPU usage And Windows became unusable, users unable to perform any task on their computer.

How To Fix system and compressed memory high CPU/Disk/memory usage

The System and compressed memory process High disk usage problem start mostly Two reasons. May you messed around with your virtual memory settings and ended up changing the paging file size from Automatic to a set value or the System and compressed memory process is simply going haywire. Some Other are may windows system files get corrupted, System infected with virus malware or any third party application causing the issue etc. Whatever the reason behind this problem here some most effective solutions to fix ntoskrnl.exe or system and compressed memory High CPU usage, 100% Disk usage etc.

Start with basic perform a full system scan with a latest updated antivirus application. To make sure any virus/malware infections not causing 100% CPU, Disk usage issue.

Run system file checker utility And DISM command to make sure any corrupted system files, Missing system files not causing the issue. Running SFC utility check for missing system files if found any the utility restore them from a compressed folder located on %WinDir%\System32\dllcache. Again if SFC fails to repair corrupted system files Run DISM command which repair the system image and enable sfc to do its job. After performing this actions Restart your windows and check problem solved.

Set the paging file size for all drives back to automatic

By default, Windows will set the pagefile.sys file size and manage it automatically. If you recently adjust the virtual memory and set customized the paging file size for any of your drives, This  can lead to problems with memory compression in Windows 10, ultimately leading to 100% disk usage by the System and compressed memory process. And restoring it back to the default setting will help you solve this problem.

Click on windows 10 start menu search and type performance. Now Click on the search result named Adjust the appearance and performance of Windows.

Adjust the appearance and performance
Adjust the appearance and performance



This will open the performance options popup here move to advanced options – > click on change under virtual memory. Now In the Virtual Memory window, check the “Automatically manage paging file size for all drives” box. Click on OK. Click on Apply and then on OK in the Performance Options window. This will ask restart windows to take effect the changes you have made. Simply restart windows and check problem fixed.

Change the Paging File Size to Automatic
Change the Paging File Size to Automatic

Set Correct Permission for System and Compressed Memory Process

If the first solution does not work well for you. Don’t worry! You can simply try the second solution to get system and compressed memory high disk usage problem.

Click on start menu search type Taskschd.msc and hit Enter to open Task Scheduler. Then navigate to Task Scheduler Library > Microsoft > Windows > MemoryDiagnostic. Double click on ProcessMemoryDiagnostic Events and then click Change User or Group under Security Options. Here Click Advanced and then click Find Now. Scroll down and Select your user account from the list then click OK.

Set Correct Permission for System and Compressed Memory Process
Set Correct Permission for System and Compressed Memory Process

Checkmark Run with highest privileges and then click OK. Do the same steps for RunFullMemoryDiagnostic and close everything. Reboot your PC to take effect the changes. After that check Windows working normally without any high CPU, Disk usage.

Disable System and Compressed Memory

If applying both solutions not work still 100% CPU or  Disk usage by system and compressed memory Don’t worry! Here the most effective solution completely Disable the system and compressed memory process.

Click on Start menu search type Task Scheduler and hit the enter key. Here on the Task Scheduler, double-click on Task Scheduler Library in the left pane to expand its contents. Double-click on Microsoft in the left pane to expand its contents. Next Double-click on Windows in the left pane to expand its contents. Scroll down and Click on MemoryDiagnostic in the left pane to have its contents displayed in the right pane. Now In the right pane, locate and right-click on a task named RunFullMemoryDiagnosticEntry and Click on Disable in the contextual menu. That’s all Close the Task Scheduler and restart your computer. Check to see if the issue persists once your computer boots up.

Disable the System and Compressed Memory
Disable the System and Compressed Memory

Disable Superfetch Service

Sometimes some windows services ( specially Superfetch, And BITS service ) running on the background can cause different issues, Usage unnecessary system resources which cause High System resource usage problem on windows 10. We recommend disabling Superfetch service by following steps below and check it helps to fix100% Disk usage problem.




Press Windows + R, type services.msc and hit the enter key. Look for service named superfetch and double click on it to open its properties. Here change the startup type disable and stop the service next to service status as shown image below. click apply and ok to save changes, Restart windows to take effect the changes. On next start check, there is no more 100% Disk usage problems.

Disable Superfetch Service on win10
Disable Superfetch Service on win10

Adjust your PC for Best Performance

This is another effective solution To reduce High Memory, Disk or CPU usage on windows 10. Simply Press Windows Key + R then type sysdm.cpl and hit Enter to open System Properties. Switch to the Advanced tab and then click on Settings under Performance.

Now Under Visual Effects tab select radio button “Adjust for best performance“. Click Apply followed by OK. Reboot your PC and check There is no more 100% Disk Usage by System and Compressed Memory.

Adjust for best performance
Adjust for best performance

Some Other Solutions To Apply

Disable Fast Startup: Open Control Panel -> All Control Panel Items -> Power Options. Then from the left window pane select Choose what the power buttons do.Now click on “Change settings that are currently unavailable.“ And Uncheck “Turn on fast startup” and click on Save changes.

Tweak Google Chrome and Skype: On Google Chrome Navigate to  Settings > Show Advanced Settings > Privacy > Use a prediction service to load pages more quickly. Disable the toggle next to “Use a prediction service to load pages.”

For Skype ( make sure you have exited skype application ) navigate toC:\Program Files (x86)\Skype\Phone\ Right-click on Skype.exe and select Properties. Switch to Security tab and click Edit. Select ALL APPLICATION PACKAGES under Group or user names then checkmark Write under Allow.

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These are some most effective solutions to fix ntoskrnl.exe or system and compressed memory high disk usage, 100% Disk usage or memory usage on Windows 10 PC. And I am sure applying above solutions will 100% resolve the issue. Still have any questions regarding this post feel free to discuss in comments below. Also, Read Windows 10 Running slow? Here how to make windows 10 run faster.

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