How to Fix WSAPPX High Disk Usage Issue on Windows?

Updated On April 29, 2023 | by Austin


WSAPPX is a process that runs in the background of Windows 8 or Windows 10. It also manages Microsoft’s Universal app store. It is involved in every installation, update, and uninstallation of Windows Store apps. It is only utilized for installation and removal of apps, but it keeps running in the background and occupies internal memory thus causing high disk usage problems and you receive the error stating “WSAPPX High Disk Usage Issue

What Can Cause WSAPPX High Disk Usage Issue

In order to fix the wsappx high disk or high CPU usage, you need to understand the cause that is triggering the problem on Windows. here are some of the possible causes:

  1. You are using Microsoft store and due to this Wasppx is using CPU and disk memory.
  2. When you download an app or install an update to pursue the installation of the appm Wsappx is likely to consume more resources.
  3. While installing a traditional desktop software, the installation will consume the extra resources such as CPU and disk usage.
  4. the apps that are automatically updating in the background can use extra resources and cause high disk usage.

As we get to know this issue is quite common and can occur without any prior warning, so we have some useful recovery methods to get rid of high disk usage issues

How to Control WSAPPX High Disk Usage Issue?

Method 1: Increase Virtual Memory

For expanding the virtual memory size, you can do the steps given below:

  1. Open the search bar and type “performance”. Choose the option “Adjust Appearance vs. Performance in Windows.”
  2. Choose “Advanced” from the tabs option.
  3. Go to “Virtual memory” and click “change
  4. Uncheck the checkbox named as “Automatically manage paging file size for all drives” 
  5. Choose the drive where you have installed the OS and choose “Custom Size
  6. Now, set the “initial size” exactly the same as the size of your RAM and the “Maximum size” as double of the Initial size. 
  7. Select Set>>OK and then reboot your device.

Method 2: Disable the Windows Store

Disabling the Windows store can be done by using two methods namely: Group Policy Editor and Registry Editor. Both methods are explained here below:

Using Group Policy editor

  • Type “gpedit.msc”, then click Start Search and then Enter. The Local Group Policy Editor will open
  • Access “Computer Configuration” and then choose “administrative templates
  • Open “Windows components” and then select “store
  • From the right pane select “Turn Off Store application
  • Select “Enable” and then “Apply” 

You may Interested In – How to disable windows 10 updates?

Using Registry error

If your system doesn’t have the Group Policy Editor, you need to use the Registry Editor. But before that you need to back up the data first:

  1. In the Start search menu, type ‘Regedit” and hit Enter to open the Registry Editor.
  2. Open the HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\WindowsStore key.
  3. In this key, you will have to create a new DWORD value within the Store Key and name it as RemoveWindowsStore and give it the “1” value.
  4. If there is no key available, you need to create it. 

After performing this method, you need to restart your device. On disabling the Windows store, you can’t be able to install third-party applications. So, if any attempt is made to install the third-party application, you will receive this message:

Windows Store isn’t available on this PC. Contact your system administrator for more information.”

Method 3: Check the Disk and Clean the Junk Files

Clean the disk and then remove the junk files by running a strong antivirus. Once every junk file is removed, reboot your system. this way you can clear out some memory on your device and fix the high usage of CPU and control the mentioned problem. 

Method 4: Modify AppXSvc Value in Registry 

  1. First you need to opem the Registry Editor and go to 


  1. Now, from the right-hand side menu, change the value to 4 for Start.
  2. Restart your device. 

Method 5: Troubleshoot Using the Clean Boot State

If all the above-mentioned methods are not helping, you can try fixing the issue by performing a clean boot. In this state, Windows will only run the essential drivers and startup programs. From here you can fix the startup programs if they are causing the issue.

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