missing essential plugin org.jetbrains.android code example

Example 1: Missing essential plugin: org.jetbrains.android

## Windows 10 ---
## Delete this file
C:\Users\YourUserName\AppData\Roaming\Google\AndroidStudioPreview4.X\disabled_plugins.txt

## Linux
rm -r ~/.config/Google/AndroidStudio4.1
## Or Remove
rm  ~/.config/Google/AndroidStudio4.1/disabled_plugins.txt

Example 2: android studio not open missing essentian plugin

// delete this how to fix this issue

C:\Users\anon\AppData\Roaming\Google\AndroidStudio4.1