title: Android Studio shows C++ file icon on every file
body: <p>After updating Android Studio to version <code>4.1</code> every file icon in the project is shown as a <code>C++</code> icon. Is there any way to repair this?  This is how it looks:</p>
  <p><a href="https://i.stack.imgur.com/a9wLu.png" rel="noreferrer"><img src="https://i.stack.imgur.com/a9wLu.png" alt="enter image description here" /></a></p>
  <p>You can see every file, no matter what extension, has <a href="https://i.stack.imgur.com/NiOMq.png" rel="noreferrer"><img src="https://i.stack.imgur.com/NiOMq.png" alt="enter image description here" /></a> icon. I created new projects and checked the old ones but the effect is the same everywhere.</p>
  <hr>
  <h3>In my case, the error disappeared after updating Android Studio to version <code>2020.3.1</code>.</h3>