System and compressed memory is responsible for the compression of files and folders and the management of RAM in Windows 10. Generally, it only uses little computer resources to run. There have been cases experienced by several Windows 10 users wherein this can use up 100% disk usage thus making your computer run very slow. In this latest installment of our troubleshooting series we will show you how to fix windows 10 100% disk usage by system and compressed memory issue. Fix Windows 10 100% Disk Usage By System And Compressed Memory Before performing any of the recommended troubleshooting steps listed below it\u2019s best to restart your computer first. This action refreshes the operating system and remove any corrupt temporary data that could be causing the problem. There are several factors that can cause this particular problem ranging from a wrong setting to malware infection. Listed below are the recommended troubleshooting steps you need to do to fix this problem. Check your computer for malware The first thing you will need to do in this case is to check your computer for any malware. There are certain malware that can cause this problem so it's best to eliminate this possibility. One of the most popular tools to use in securing your computer from malware is a software called Malwarebytes. Go to https:\/\/www.malwarebytes.com\/antimalware\/.Click Download free version. You may be redirected to another site; follow the instructions on that page to download Malwarebytes.Save the installation file to your computer.After the download is complete, double-click the file to begin installing Malwarebytes.After you finish installing Malwarebytes, update its malware definitions before you scan your computer.Open Malwarebytes.Malwarebytes will generally prompt you to download and install any available updates when you open the program. To check for and install updates manually, click the Update tab, then click Check for Updates.On Malwarebytes' Anti-Malware screen, click the Scanner tab. The Scanner window will open.On the Scanner window, select one of the first two options: Perform quick scan which is recommended in most cases, Perform full scan which is used if a quick scan has not solved your problem.If Malwarebytes detects a threat, it will place the suspicious file in quarantine. After the scan is complete, click the Quarantine tab and review the threats Malwarebytes detected:After the scan is complete and you have addressed any threats placed in quarantine, click Exit to close Malwarebytes. Check if the Windows 10 100% disk usage by system and compressed memory issue still occurs. Set the paging file size for all drives back to automatic If you have changed the paging file size of your computer and are experiencing this problem then you should change this setting back to automatic. Open the Start Menu. Click on Settings. Search for \u201cperformance\u201d.Click on the search result named Adjust the appearance and performance of Windows.When the Performance Options window pops up, navigate to the AdvancedClick on Change\u2026 under the Virtual memoryThe Virtual Memory window will now pop up. In this window, make sure that the box beside automatically manage paging file size for all drives option is checked.Click on OK.Click on Apply and then on OK in the Performance Options window Check if the Windows 10 100% disk usage by system and compressed memory issue still occurs. Try to disable the System and compressed memory process Hold the Windows Key and Press X. Choose Control Panel.Search for Administrative Tools and choose Task Scheduler.In the Task Scheduler, double-click on Task Schedule Library in the left pane to expand its contents.Double-click on Microsoft in the left pane to expand its contents.Double-click on Windows in the left pane to expand its contents.Click on MemoryDiagnostic in the left pane to have its contents displayed in the right pane.In the right pane, locate and right-click on a task named RunFullMemoryDiagnosticEntry.Click on Disable in the contextual menu.Close the Task Scheduler and restart your computer. Check if the Windows 10 100% disk usage by system and compressed memory issue still occurs. Try to disable the Superfetch service The Superfetch service makes your applications launch faster and improve your system respond speed. It does this by pre-loading programs you frequently use into RAM so that it doesn't have to be called from the hard drive every time you run them. You can do this from the services manager Press the Windows Logo key + R to open a RunType services.msc into the Run dialog and press Enter.In the Services window, scroll down and locate and double-click on the service named Superfetch.Click on Stop.Set the Superfetch service\u2019s Startup type to Disabled.Click on ApplyClick on OKClose the ServicesRestart your computer. You can also do this using the registry editor Press the Windows Logo key + R to open a RunType regedit into the Run dialog and press Enter to launch the Registry Editor.In the left pane of the Registry Editor, navigate to the following directory: HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Control > Session Manager > Memory ManagementIn the left pane of the Registry Editor, click on the PrefetchParameters sub-key under Memory Management to have its contents displayed in the right pane.In the right pane of the Registry Editor, locate and double-click on the registry value titled EnableSuperfetch to modify it.Replace whatever is in the EnableSuperfetch registry value\u2019s Value data field with 0.Click on OK.Close the Registry Editor.Restart your computer. Check if the Windows 10 100% disk usage by system and compressed memory issue still occurs. Optimize the visual effects for best performance Right-click on the Start Menu button to open the WinX Menu.Click on System in the WinX Menu.Click on Advanced system settings in the left pane. You might be asked for confirmation of the action or your password, and if you are, be sure to provide what you are asked for.Navigate to the AdvancedClick on Settings\u2026 under the PerformanceClick on Adjust for best performance to select it.Click on Apply and then on OK.Click on Apply and then on OK in the System PropertiesClose any remaining windows and restart the computer. Check if the Windows 10 100% disk usage by system and compressed memory issue still occurs. Check for RAM failure In case the above steps fails to fix the problem then you should check if your RAM does not have any issues by running a memory diagnostic tool. In case your computer RAM has issues then you should consider replacing this. Type \u201cWindows Memory Diagnostic\u201d in the search bar and press Enter.You\u2019ll need to reboot your computer to perform the test. While the test is happening, you won\u2019t be able to use your computer.To agree to this, click \u201cRestart now and check for problems (recommended)\u201d. Be sure to save your work first. Your computer will immediately restart.Your computer will restart and the Windows Memory Diagnostics Tool screen will appear. Just leave it be and let it perform the test. This may take several minutes. During this process, you\u2019ll see a progress bar and a \u201cStatus\u201d message will inform you if any problems have been detected during the process.When it\u2019s done, your computer will automatically reboot and return to the Windows desktop. After you log in, the test results will appear. Check if the Windows 10 100% disk usage by system and compressed memory issue still occurs.