Unfortunately, in the latest SDK, the emulator does not work like that. This is still a mistake.
But donโt worry. There is an alternative way to do this.
To start the emulator:
Open Window-> Android SDK Manager-> Tools-> Manage AVDs
Then select any AVD of your choice and click "Start".





For your first problem:
You need to cancel the Android SDK Tools before Rev. 22.3 and Android SDK Platform-tools up to 19 .
Please comment on further questions.
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