Android Studio missing essential plugin org.jetbrains.android

open Android Studio getting the following error:

Missing essential plugin:

  org.jetbrains.android

Please reinstall Android Studio from scratch.

Solution:

On Mac OS, delete this

/Users/[your_name]/Library/Preferences/AndroidStudio4.0/disabled_plugin.txt

1.Open /Users//Library/Preferences/AndroidStudio4.0/codestyles
2.delete disabled_plugins.txt
3.restart Android Studio

File Index：

~/Library/Preferences/AndroidStudio4.0$ tree
.
├── codestyles
│   └── Default.xml
├── disabled_plugins.txt
├── eval
│   └── plg_PMDNAV_20200129.evaluation.key
├── options
│   ├── androidStudioFirstRun.xml
│   ├── colors.scheme.xml
│   ├── debugger.xml
│   ├── filetypes.xml
│   ├── gradle.settings.xml
│   ├── jdk.table.xml
│   ├── laf.xml
│   ├── notifications.xml
│   ├── other.xml
│   ├── path.macros.xml
│   ├── plugin_ui.xml
│   ├── project.default.xml
│   ├── recentProjects.xml
│   ├── ui.lnf.xml
│   ├── updates.xml
│   ├── usage.statistics.xml
│   └── window.state.xml
├── port
├── port.lock
├── tasks
│   ├── CoolShopping.contexts.zip
│   ├── CoolShopping.tasks.zip
│   ├── MyApplication.contexts.zip
│   ├── MyApplication.tasks.zip
│   ├── My_Application.contexts.zip
│   ├── My_Application.tasks.zip
│   ├── kotlin_plugin_1_4_10_release_Studio4_2_1_zip.contexts.zip
│   └── kotlin_plugin_1_4_10_release_Studio4_2_1_zip.tasks.zip
├── user.token
└── workspace
    ├── 1hVA02CFVjaEnE5F9zxpCIghucW.xml
    ├── 1ha0nqVbyjHUmzpjhIgMrCVUuUY.xml
    ├── 1ha7KJnRdbAZMBcwMl0HxceNriu.xml
    └── 1ha856UdLEuQj6elmdzEaV5GOYd.xml

5 directories, 35 files