To reproduce:
1. Open a new project;
2. Press File > Build & Run (or Ctrl+B);
or
2. Press File > Build Settings... > Build & Run.

Expected result: if Build & Run or Ctrl+B is pressed, Editor builds the project.
Actual result: errors "UnityEditor.BuildPlayerWindow+BuildMethodException: Build location for buildTarget StandaloneWindows64is not valid"(2017.1.0b1) and "Couldn't call method BuildPlayerAndRun because the class BuildPlayerWindow or method couldn't be found."(2017.1.0a6) are thrown when Build & Run button is pressed. Editor does not build the project.

Reproduced on version: 2017.1.0a6, 2017.1.0b1.
Not reproduced on versions: 5.5.3f1, 5.6.0f3, 2017.1.0a5.
Regression found on: 2017.1.0a6.

Verified on version: 2017.1.0b6 (38ec4e48ade7).