TeamViewer 9 (TV9)

[melvinchia]

Running a TV9 (licensed) on Mac OS X 10.11.2. Used to work fine on older versions of OS X, until OS X 10.11. I installed TV11 to access a client's machine which was running TV11, then downgraded back to TV9. Now when I launch TV9, a dialog asks me for password to install helper application, the TV icon bounces in the dock, then stops running. When trying to re-launch TV9 again, the same thing happens.

Able to get around it by installing TeamViewerHost 9, then installing TV9 after that. But it only works for a few times before TV9 goes back to the above behaviour again.

Any solution from TeamViewer team or anyone else?