Go to File->Settings->Version Control->Subversion. Enter the path for the SVN executable on the tab Generalin the section Subversion configuration directoryand clear the check box Use command line client. In addition, you can download the latest SVN client, such as VisualSVN, and specify the path to the executable file ( svn.exein most cases), as described above. This will most likely solve your problem.
source
share