What Is wsappx and Why Does It Slow Down Your PC?

If your Windows 10 or Windows 8 computer suddenly feels sluggish, and Task Manager shows wsappx using a lot of CPU or disk, you might be wondering what this mysterious process actually does. Let’s break it down.

What Is wsappx?

Wsappx is not a virus or some random program—it’s part of Windows itself.
It mainly deals with apps you install from the Microsoft Store.

Here’s what it does:

• Installs new Store apps
• Updates apps in the background
• Removes apps you no longer need
• Manages licenses for paid apps

Depending on your version of Windows, wsappx contains different background services:

• Windows 10:
  • AppX Deployment Service (AppXSVC) – handles installing and updating Store apps.
  • Client License Service (ClipSVC) – makes sure paid apps are properly licensed and working.
• Windows 8:
  • AppXSVC (same as above).
  • Windows Store Service (WSService) – works like ClipSVC but under a different name.

So, whenever you see wsappx (2) or wsappx (3) in Task Manager, it just means one or more of these services are running at the same time.

Why Does wsappx Use So Much CPU or Disk?

Most of the time, wsappx stays quiet. But you’ll notice high usage in situations like:

• Installing a new app from the Store
• Updating apps automatically in the background
• Removing Store apps you no longer use

This can temporarily push your CPU or disk usage close to 100%, making your PC slow or unresponsive. The good news? It usually calms down after the task is finished.

Can You Disable wsappx?

Not really. Wsappx starts only when it’s needed and stops on its own.
If you try to force-end it, Windows may warn you or even become unstable. Since it’s tied to core functions of the Store, there’s no safe way to completely disable it.

That said, you can reduce how often it runs:

• Turn off automatic app updates:
  Open the Microsoft Store → click your profile picture → go to Settings → switch off Update apps automatically.
  This way, you decide when updates happen, instead of letting them run in the background.

Fixes If wsappx Is Slowing Down Your PC

If you often see wsappx hogging resources, try these steps:

1. Update your drivers
   Outdated drivers can cause performance issues. Visit your computer manufacturer’s support page and download the latest ones for your model.
2. Scan for malware
   While wsappx itself isn’t a virus, it’s smart to run a full antivirus scan. Sometimes other malware pretends to be system processes.
3. Run a disk check
   Open Command Prompt as Administrator and type:
   chkdsk.exe /f /r

   Restart your computer and let Windows scan your drive for errors.

4. Turn off Windows Store (advanced users)
   If you never use Store apps, you can disable the Store through Group Policy or Registry Editor. But keep in mind, this will block installing or updating any Store apps.
5. Extend virtual memory
   Increasing virtual memory can sometimes help when your system struggles with high usage. You can adjust this in Performance Options under System Settings.
6. Try a clean boot
   Booting Windows with only essential services running helps you figure out if other software is clashing with wsappx.

Conclusion

Wsappx may look scary when it spikes your CPU or disk usage, but it’s simply doing its job of managing Microsoft Store apps. Most of the time, it’s harmless and temporary. If it bothers you too much, you can turn off automatic updates or use the fixes above to ease the pressure on your system.