How to Fix System and Compressed Memory High Memory Usage

system and compressed memory high usage

Windows 10 was a highly successful OS post the average success of Windows 8 and 8.1. But the success enjoyed by Windows 10 came with its fair share of criticism. Many anomalies were reported by several users after they updated their computer to Windows 10. One such common issues faced by various Windows 10 user was the high memory usage by ‘System and compressed memory’ process.

Ironically the process is actually responsible for compressing files and folders to enhance RAM utilization. However, it ends up taking a lot of disk space freezing the other processes resulting in the slowdown and lag. In certain scenarios observed by a considerable number of users, the process was said to reserve 100% of disk usage.

With some troubleshooting and measures, you can set this straight. Please follow below on the steps to follow:


Windows 10 automatically manage the paging of files and folders for compression. It is very well possible to customize these settings so that smaller sized pages can be opened automatically which relaxes the paging files and easier compression of files.

In order to perform this action, you must customize the paging files size.


  1. Right-click on Windows Taskbar and click on Settings. Search for Adjust the appearance and performance of Windows options in the Search bar.
  2. Under the Advanced tab search for the Virtual Memory section. Click on the Change button under the Virtual Memory section.
  3. When a pop-up appears, uncheck the ‘Automatically manage paging file size for all drives’. Now you can specify custom paging size for each drive located on your computer. Allocate the sizes efficiently and now run the Task Manage to observe the memory usage by System and Compressed Memory process.


Superfetch is used to improve the performance of your computer in Windows 10. However, many times it ends up occupying 100% disk space on your computer.

In such cases, it is better to stop the service so to as avoid the risk of performance issues.


  1. Press Windows + R key on your keyboard. Type ‘services.msc’ in the input box and click on Okay to open Services menu.
  2. Navigate to the Superfetch service. It will be quite easy to locate the same as the list is sorted in an alphabetical order. Once you find it, double-click on it to open the settings menu for it.
  3. Change the startup type to ‘Disable’ from ‘Automatic’. After changing the startup type click on Stop button to disable the service. Click on Okay to change settings and restart your computer as it is advisable.


There is an alternate method for disabling Superfetch service so as to prevent it from getting enabled during system startup. You can disable the Superfetch service using the registry editor by following the below steps.


  1. Press Windows + R key and type ‘regedit’ into the input bar. Click on OK to open registry.
  2. On the left pane navigate to the stated path: (HKEY_LOCAL_MACHINE_SYSTEM > CurrentControlSet > Control > Session Manager > MemoryManagement > PrefetchParameters)
  3. On the right-hand side select the ‘EnablePrefetcher’ option. A pop menu will appear when you double-click on it.
  4. Set the value data field to 0 and click on OK button to save the changes.
  5. Close the registry editor and restart your computer to see if the issue has been resolved.


Speech Runtime is a .exe process which is majorly used for recording and speech recognition. However, a myriad of users reported that Speech Runtime process was causing System and Compressed Memory process to occupy more disk usage space.

This is widely due to some bug or malware which taps into a memory via certain executable processes. In such cases, it is better to kill off such process.


  1. Right-click on Windows Taskbar and click on Task Manager to open it.
  2. You can also press Ctrl + Alt + Del keys on your keyboard to start Task Manager.
  3. Under the Processes tab search for Speech Runtime Executable.
  4. Select the process and click on End Task to kill the process.


Many times System and Compression memory occupy high disk space because of graphics as well. In order to get ready for the same, you must optimize your graphics settings for automatic adjustment.


  1. Open Settings on Windows 10 and type Adjust the appearance and performance of Windows in the search bar.
  2. When a menu pop-ups search for Adjust for best Performance option.
  3. Select the radio button and click on Okay.
  4. Afterwards, restart your system to see if the issue has been fixed.


If none of the above solutions work, the last thing to be done is to repair your PC. Please follow a separate guide for repairing your Windows PC.


Keeping your computer in Hibernate mode also causes the System and Compress Memory process to consume disk space without a reason. Hence, it is always better to disable the Hibernate state on your computer. This is will not only boost your performance but it will also improve you the better life.


  1. Open Control Panel and navigate to Power Options.
  2. Click on Change plan settings. Search for ‘Change advanced settings’ and click on it.
  3. Navigate to the + sign beside Sleep option. Click on it to view the drop-down menu. From drop-down menu Click on Hibernate After and Change the Setting to Never.
  4. Click on Apply to the save the power settings.


As we mentioned earlier corrupted application files often lead to high memory consumption by System and Compressed memory process. Many times bugs from Google Chrome and Skype result in increased disk usage. However, by changing the configuration settings for both the application the issue can be resolved.


  1. Open Google Chrome on your system and go to the Settings menu. Click on the Show Advanced Settings option to view menu.
  2. Under Privacy and security section look for the ‘Use a prediction service to load pages more quickly’ option. If it is enabled, disable it.
  3. For Skype, navigate to the folder C:\Program Files(x86)\Skype\Phone\ and open the Properties menu by right-clicking on the ‘Skype.exe’ icon.
  4. Click on the Edit button under Security tab in Properties menu.
  5. Select ‘ALL APPLICATION PACKAGES’ and under the Permissions section uncheck the checkbox for Write in the ‘Allow’ column.
  6. Click on OK and Apply to save the changes.
  7. Inspect the Disk usage by opening Task Manager to check if the issue has been resolved.

In most of the cases the above procedures work wonders but in a rare case the problem still persists, we suggest you perform a virus scan to check for any malware affecting your computer.



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