I did everything bucky did  and just openend the hello world app but when i try to run it on the emulator I get this error message:

Waiting for device.
Target device: Nexus_5_API_21_x86 [emulator-5554]
Uploading file
local path: C:\Users\Tim & Bregje\AndroidStudioProjects\MyApplication\app\build\outputs\apk\app-debug.apk
remote path: /data/local/tmp/com.locallocation.myapplication
Installing com.locallocation.myapplication
DEVICE SHELL COMMAND: pm install -r "/data/local/tmp/com.locallocation.myapplication"
pkg: /data/local/tmp/com.locallocation.myapplication

DEVICE SHELL COMMAND: pm uninstall com.locallocation.myapplication

Does anyone know how to fix it?