How to Fix “System and Compressed Memory” 100 Percent Disk Usage Issue

System and compressed memory is a very important process. It provides various functions that are important for the System and memory. As a process, it is in charge of RAM management and compressing of files and folders. In most situations, this process will only use up a relatively unnoticeable amount of your disk and CPU. But sometimes, it can start acting up. If that happens, up to 100% of your disk can be put to use by the System and compressed memory process. This will cause your computer to slow down and it will hinder various other tasks and processes.

The issue with the 100% disk usage became noticeable during early 2017 and has become more prevalent since. There are two usual reasons the System and compressed memory process will act up in this way. The first reason comes from you messing around with the virtual memory setting. The issue can come up if you accidentally change the paging file size to a set value. The other reason is that there is something wrong with the System and compressed memory process. Thankfully, fixing this problem is not impossible. And below, you can find a list of most effective fixes for this issue.

Fix #1 – Change the paging file size to automatic

The default automatic setting for the paging file size allows Windows to manage everything. You can, of course, change the setting to a set value. However, that can lead to various issues with memory compression. And, it can, in the end, lead to the 100% disk usage issue. And, if you are one of the people who did this, this fix should help you.

  1. You begin by clicking on the Start Menu and going to settings.
  2. In the search field, type in performance.
  3. Then, you can open the performance option window by clicking on Adjust the appearance and performance.
  4. Go to advanced options and select the change option you can find below the Virtual memory.
  5. A new window will pop up with various options. Make sure to tick the box next to the option to automatically manage file sizes.Virtual Memory
  6. Clicking on OK will save those settings and return you to the previous menu.
  7. Apply the changes and finish by clicking on OK.

Fix #2 – Disable the process

If the second fix didn’t help you out either, or, if it was already using the default setting, it usually means that the paging files size is not the cause of the issue. Well, if it came to that, you can try fixing the issue by disabling the process altogether.

  1. Open the quick access menu by holding down Windows Key and X at the same time.
  2. From there, go to control panel.
  3. In it, click on Administrative Tools. And, among them, click on Task Scheduler.
  4. Double click on the Library contents on the left-hand side to expand it. Then double click on Microsoft, then on Windows.
  5. Once you open this menu, click on Memory Diagnostic on the left side and look at the right side for results. Locate the task called “RunFullMemoryDiagnosticEntry”, click on disable.

From there, all that is left is to reboot your computer and test to see if the issue persists.

Fix #3 – Turn off the Superfetch service

One of the Windows services that are there to help your System performance via maintenance and improvement systems is Superfetch. However, even if it is a part of the OS, it can still cause damage to the computer. And the prime example for that would be the fact that it can be the culprit of 100% usage problems. So, if it turns out that the reason your computer is acting up is the Superfetch service, disable it. There are two main options for you if you want to disable this service.

Use Services Manager to stop it

  1. Press and hold the windows key and R top open the Run dialog.
  2. When it happens enter services.msc and run it. The service window will open. Scroll until you find the Superfetch.
  3. Double click on it and stop it.
  4. Then, find the Startup for it and disable them to. Click on Apply.
  5. You can now reboot your computer.

Use the Registry Editor to stop it

You can also disable this service via the registry editor.

  1. Start by opening the Run dialog and entering regedit in it.
  2. On the left pane locate the memory management directory. It is under HKEY_LOCAL_MACHINE.
  3. From there you go to system, to current control set, control, session manager, and lastly, open the memory management.
  4. Once there, find the PrefetchParameters in the left pane. At that moment, the right pane will show you the registry editor.
  5. In it, double click on EnableSuperfetch and set the Value to 0. Once all of that is done, simply reboot your PC.

As soon as your computer is back on, check if the problem persists.

Fix #4 – Disable the Speech Runtime Executable

A lot of users who had this issue in the past note that the cause of this issue could be the speech runtime executable process. This process is responsible for functions that relate to audio recording and speech recognition, by the look of things. Since a huge number of users identify this process as the reason, the System and compressed memory process tends to use incredible amounts of the resources you can attempt killing it to see if that will resolve the issue. You can do so by following these steps:

Speech Runtime Executable

Open the Task Manager. In it, go to Processes and find this process. Simply click on end task and the process should be successfully disabled.

If this was the root of your problem, you should notice a nigh-instant improvement. The System and compressed memory resource consumption should go down by a lot. And this should happen seconds after you end the task of Speech Runtime Executable. However, if it turns out that it was the correct culprit, there is something to bear in mind. It is a system process, meaning that it could pop back up frequently. And, if that happens, just make sure to repeat the process and disable it to restore the performance.

Fix #5 – Optimize the visual effects of your computer to improve performance

A number of users who had this issue creep up to them say that optimizing the visual effects helped. Reportedly, their disk usage went from 100% to 25% or under right after they did this. Just follow this guide:

  1. Right-click on the Start Menu. Once the WinX menu opens, select system.
  2. On the left side, you will see advanced options, go to them.
  3. Depending on your settings, you might have to enter your password.
  4. Open advanced options, go to performance and click on settings.
  5. You will then have the option to adjust for performance.
  6. Click on it and then click on Apply. You can now restart your computer.

When it turns back on, see if the problem is still there.

Fix #6 – Check your RAM

Another issue that can cause the System and compressed memory process usage issue is a failing RAM. If this is the case and your RAM is failing, you can fix it by simply buying a new one. Replace the faulty RAM, and everything should be okay. However, if you have multiple sticks of RAM, the fault might lie in only one of them. If only one stick is faulty, you can check which stick of RAM is causing the issue. Buy a new stick and replace the sticks one by one and boot the computer until it works properly. And toss away the stick without which the computer didn’t suffer from the resource consumption issue.

One of the users recommends the following method

In hopes that this will help others, I had this issue for a while now. Ever since I began using Windows 10, and I went through the first two fixes to no avail. When I was about to use the Fix #3, I noticed something in the Task Scheduler. The Last Run Result was 0x800710e0, which was a bit suspicious. So, I chose to look up this error before going on with the fix. It turns out that this error marks the refusal of the administrator. Which indicates that there is an access problem. The task was running as “administrators”. So, I went into memory tasks and changed the user account to my own. Of course, I have administrator rights. Which resulted in a change of the error code to 0x40010004. However, the System and compressed memory process started using a regular amount of resources again. I believe that this is the result of multiple upgrade processes from Windows 8 to Windows 10.


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