This issue got fixed after opening emulator through AVD Manager.
If the emulator is not active then appium.exe fail to open.
문제
Unable to install Appium.exe in Windows machines for testing Android Native apps that use Selenium WebDriver API
1) Tried on different PCs
2) installed Microsoft .NET framework version 4.0
해결책
This issue got fixed after opening emulator through AVD Manager.
If the emulator is not active then appium.exe fail to open.