system and compressed memory high disk usage

System and compressed memory is taking 100% disk after windows 10 1809 upgrade? Or you may notice that the system and compressed memory process is making Windows 10 slow during startup and copying files and sometimes randomly when browsing the internet. The System and compressed memory process High disk usage problem start mostly Two reasons. May you have messed around with your virtual memory settings and ended up changing the paging file size from Automatic to a set value or some third-party applications installed in Windows or even because of the incompatibility of the machine with Windows 10.

System and Compressed Memory

On Windows PC System and Compressed Memory process is mainly responsible for several functions related to your computer’s memory and system. That helps to compress files and folders and looks after the management of RAM. And this System and Compressed Memory process should ideally take up a limited amount of CPU and Disk. However, sometimes, it starts utilizing up to 100% Disk or CPU, making your computer terribly sluggish and slow. And blocks other processes and tasks running on your computer system.

If you are struggling from this problem, here how to get rid of this:

First of all, install the pending updates and check if the issue persists.

Perform a full system scan with good antivirus software with the latest updates installed.

A clean boot is performed to start Windows by using a minimal set of drivers and startup programs. This helps eliminate software conflicts that occur when you install a program or an update or when you run a program in Windows 10 You may also troubleshoot or determine what conflict is causing the problem by performing a clean boot.

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 have customized the paging size from automatic to custom value, it may lead to problems with memory compression.  And restoring it back to the default setting will help you solve this problem.

  • From start menu search for performance and select  Adjust and the appearance and performance of Windows,
  •  Move to Advanced tab,
  • then under the Virtual Memory, Click on Change
  • In the Virtual Memory Window, the automatically manage paging file size for all drives should be enabled.
  • Click OK
  • In the Performance Options window, Go to Apply and the OK
  • Restart windows and check Windows 10 performance improved.


Disable the Superfetch service

  • Press Windows + R, type services.msc and ok
  • Scroll down and look for service named superfetch,
  • Right click on superfetch and select properties,
  • Here change the startup type disabled, and stop the service next to service status,
  • Click apply and ok, now check there is no more 100 Disk usage.


Disable Fast Startup

Fast startup is a new feature in Windows to help your PC start up faster after shutting down. When turned on, Windows does this by using a hybrid shutdown (a partial hibernate) method that saves only the kernel session and device drivers (system information) to hibernate (hiberfil.sys) file on disk instead of closing it when you shut down your PC.

  • Open Control panel,
  • Search for and select Power options.
  • Click on “Choose what the power buttons do”.
  • Click on “Change settings that are currently unavailable”. If it prompts to click on yes, then click Yes.
  • Uncheck “Turn on fast startup (Recommended)” under shutdown settings.
  • Click Save changes to configure the settings.

Fast Startup

Optimize Windows Visual Effects for Best Performance

For most users Adjust visual effects for best performance also fixed System and Compressed Memory High Disk usage problem.

  • First Right-click on “This PC” and choose “Properties”.
  • Now select “Advanced system settings” from the left panel.
  • This will open the system properties popup here move to the advanced tab.
  • Click on settings under the Performance section.
  • Now Select the radio button”Adjust for best performance” option as shown below image.
  • That’s all click on “Apply” and then “OK” button.
  • Again Close any remaining windows and restart the computer.
  • When the computer boots up, check to see This issue resolved.

Adjust for best performance

Disable System and compressed memory

If the previous solution does not work well for you, follow steps below to Disable the System and compressed memory in windows 10.

  • Open Control panel,
  • Search for and select Administrative tools,
  • Look for Task Scheduler and double click on it
  • Expend Task Schedule Library -> Microsoft -> Windows -> MemoryDiagnostic.
  • In the right pane, locate and right-click on a task named RunFullMemoryDiagnostic.
  • Click on Disable in the contextual menu.
  • Close the Task Scheduler and restart your computer.
  • Check this helps to fix system and compressed memory high disk usage problem on windows 10.

Disable memory diagnostic task scheduler

Check for corrupted System files

Again sometimes system file corruption also causes high Disk usage 100 CPU usage on windows 10. Run SFC utility with DISM RestoreHealth command to restore missing corrupted system files.

  • From start menu Search for command prompt,
  • Right click command prompt select run as administrator,
  • type DISM command Dism /Online /Cleanup-Image /RestoreHealth
  • Then type sfc /scannow command to run system file checker utility,
  • Restart Windows after 100% complete the scanning process,
  • Check this helps to fix Windows 10 High disk usage problems.

DISM restore health and sfc utility command

Did these solutions help to fix System and compressed memory high disk usage on windows 10? Let us know on comments below, also read:

Steve Ballmer
With over 7 years of experience in the IT industry, I have experience in IT support, helpdesk, sysadmin, network admin, and cloud computing. Certified in Microsoft Technologies (MCTS and MCSA) and also Cisco Certified Professional in Routing and Switching.