If this fixes the issue, try installing the app again, as it may not have installed correctly the first time. If the trouble began right after installing a new app, remove the app and restart your computer. This is especially true with major feature updates.

If there’s a problem with the Microsoft Store, updating Windows may also install any new updates for the Microsoft Store, too. If the Microsoft Store or any downloaded apps are infected, you could experience high resource usage. It may sound simple, but a virus can cause usage spikes in a wide variety of Windows processes. The following are several quick fixes that may work if you’re just now experiencing the issue. When your disk and CPU usage are excessive, such as causing your system to slow down and nearing 100 percent or usage not dropping back down quickly, you have a problem. In fact, even when I used the Microsoft Store, my CPU usage never rose over one percent, with it staying at around zero most of the time. However, wsappx should go back to normal levels after the process is complete. Even if you’re not using the store at the moment, apps may be updating in the background, leading to higher usage temporarily. When you’re actually using the Microsoft Store, high disk and CPU usage aren’t uncommon. On Windows 8, the latter is called Windows Store Service. The two services that trigger this process include AppX Deployment Service and Client License Service. If so, you’ll need to enable the services behind the process. Occasionally, you may get an error concerning licensing when using a Microsoft Store app. You only need it enabled when you’re using the Microsoft Store or installing, deleting, or updating apps. However, you don’t have to leave it enabled all the time. This is what causes usage to rise when you first start using an app. When running an app, the process is also responsible for checking the app’s license.

Don’t be too worried if usage spikes especially when you’re installing, updating, or deleting an app. It also runs when installing desktop software outside of the store. The process runs most heavily while installing, updating, deleting, and running Microsoft Store apps. But this number can quickly change when you start using the Microsoft Store.

While it typically runs all the time, it usually uses minimal resources.Īs you can see, wsappx at the time of writing wasn’t using any CPU or disk resources. It’s part of the Universal Windows Platform and Microsoft Store. Wsappx is a service in both Windows 8 and Windows 10.

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