If anyone is currently facing any issues when trying to update their current version of "Android Studio" from, which ever version they are currently running to version 4.1 and they get the error below
Internal error. Please refer to https://code.google.com/p/android/issues
java.lang.NoSuchMethodError: com.intellij.ide.plugins.PluginManagerCore.loadDescriptors()[Lcom/intellij/ide/plugins/IdeaPluginDescriptorImpl;
at com.a.a.b.b.ar.a(ar.java:121)
at com.a.a.b.b.ar.a(ar.java:71)
at com.intellij.idea.MainImpl.start(MainImpl.java:19)
at com.intellij.idea.StartupUtil.startApp(StartupUtil.java:295)
at com.intellij.idea.StartupUtil.prepareApp(StartupUtil.java:238)
at com.intellij.ide.plugins.MainRunner.lambda$start$0(MainRunner.java:45)
at java.lang.Thread.run(Thread.java:748)
-----
JRE 1.8.0_242-release-1644-b3-6222593 amd64 by JetBrains s.r.o
To solve this issue do the following as suggested by the following issue tracker
https://youtrack.jetbrains.com/issue/TBX-5051
Locate the following directory on the specific OS that you use :
MacOS: ~/Library/Application Support/Google/AndroidStudioPreview4.1
Linux: ~/.local/share/Google/AndroidStudioPreview4.1
Windows: C:\Users\UserName\AppData\Roaming\Google\AndroidStudioPreview4.1
Delete that directory; and
Now run android studio (do not reinstall run the new installation that you installed) , .