android studio 报错Failed to save settings解决方法

1.先Enable Android SUPPORT,可以在file->setting->plugin设置

2.尝试删除C:\Users\Administrator下面的.AndroidStudio/config, .AndroidStudio/system and .AndroidStudio/plugins ，一定要先备份。重启试试。

3. 按如下设置： File >> Invalidate caches/restart >> Invalidate and Restart

重启AS,有警告则点击：Enable Android Support

4. 尝试删除项目目录下的 .idea/workspace.xml ，记得先备份。重启AS再Enable Android Support

5.尝试更新： Android Studio ，从菜单操作：Help>CheckForUpdates>Update.

6. 尝试增加如下参数大小： -Xmx and -XX:MaxPermSize values in the studio.vmoptions file

7.尝试如下步骤：

Close Android Studio
Remove .idea/workspace.xml
Restart android studio (your project with the issue is opened automatically)
A new .idea/workspace.xml is created
Sync project with gradle files
Open File -> Settings - > Plugins -> Enable
- "Android Support" Plugin.
- Android NDK support (I had to disable and re-enable it)
Restart Android Studio

8.尝试替换 build.gradle 文件，如下：

 buildscript {    ...    repositories {        mavenLocal()        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}        maven { url "https://jitpack.io" }        mavenCentral() // jcenter() works as well because it pulls from Maven Central        maven {            url 'https://maven.google.com/'            name 'Google'        }        jcenter()    }    ...    }    allprojects {    repositories {        mavenLocal()        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}        maven { url "https://jitpack.io" }        mavenCentral() // jcenter() works as well because it pulls from Maven Central        maven {            url 'https://maven.google.com/'            name 'Google'        }        jcenter()    }}

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