This should tell Android studio that the AVD is not running. Show activity on this post. On Android studio go to: Tool > Android > AVD Manager, on the action column you can delete your avd Show activity on this post. To stop the emulator of android that is running background in the system and to delete the emulator just go the
On Android studio go to: Tool > Android > AVD Manager, on the action column you should click to "Stop" and after that you can delete that device Show activity on this post.
A lot of people are perhaps not able to locate the '.android' folder easily. The easiest way to detect this folder and in turn the avd location is to click on the dropdown button next to the avd listing for each indiviual avd item in AVD Manager in android studio and selecting the "show on disk" option Show activity on this post.