I am new to Android Studio.
I have successfully converted an Eclipse project to Android Studio. everything worked fine, until today I updated my SDK and suddenly started giving me an error.
> Error: A problem occurred configuring project ':app'.
> Could not resolve all dependencies for configuration ':app:_debugCompile'.
> Could not find com.android.support:multidex:1.0.1.
Searched in the following locations:
https://jcenter.bintray.com/com/android/support/multidex/1.0.1/multidex-1.0.1.pom
https://jcenter.bintray.com/com/android/support/multidex/1.0.1/multidex-1.0.1.jar
https://jitpack.io/com/android/support/multidex/1.0.1/multidex-1.0.1.pom
https://jitpack.io/com/android/support/multidex/1.0.1/multidex-1.0.1.jar
file:/C:/Users/as/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/multidex/1.0.1/multidex-1.0.1.pom
file:/C:/Users/as/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/multidex/1.0.1/multidex-1.0.1.jar
file:/C:/Users/as/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/multidex/1.0.1/multidex-1.0.1.pom
file:/C:/Users/as/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/multidex/1.0.1/multidex-1.0.1.jar
Required by:
ElalaSeller:app:unspecified
when I rebuild my project. He says
Error:(25, 13) Failed to resolve: com.android.support:multidex:1.0.1
Install Repository and sync project
Show in File
Show in Project Structure dialog
I checked the Android support repository.

Any help would be appreciated.
Thank.
Update: I checked this Question. most of the respondents said they installed the Android Support Repository. but in my case I already installed it. you can see in the screenshot I downloaded. but still getting the same error.
I cleaned up my project, but still no change.