What is WWAHost.exe?
When seeing WWAHost.exe many people mistakenly think it is a virus and wonder whether to remove it or not. In fact, WWAHost.exe is a Microsoft program that is responsible for helping other applications work correctly.
You should not interfere with WWAHost.exe because you do not know which application is in need of its assistance. Windows 10 has changed the way apps are distributed and executed, but if you still see WWAHost.exe then there are still a few apps that depend on it.
Why does WWAHost.exe eat up so much RAM and CPU?
There are a few reasons why WWAHost.exe takes up a lot of CPU and RAM resources. The best thing you should do is try closing the apps one by one to see which one is the cause. If you close the application and the problem is solved then it is clear that the application has an error because WWAHost.exe was born just to support other applications. You can reinstall or restart the faulty application.
If that doesn’t work, you can try disabling WWAHost.exe. First, press Ctrl + Shift + Esc to access Task Manager. Next, find WWAHost.exe, right-click on it and select End task. Then, try reopening the apps to see if the problem gets fixed.
In short, WWAHost.exe is not malware or virus, so you do not need to pay attention to its appearance and operation.