No Export/Import or Batch functions available in Studio 2017 SR1 under TM view-->Home-->Tasks

I would like to export my TM into a .tmx file but there are no functions available. 

These functions and more are available in SDL Studio 2015

As suggested by Alison Field I have tried

1. repairing the installation through Windows Control Panel

2. renaming the settings files.

The problem remains. 

Thanks for any suggestions!