I have the same problem when I click on the develop tab.
The quick answer to both users is to probably turn off the GPU usage in the Preferences dialog, Performance tab.
If you need to manually edit the user preference file due to LR crashing before you can get to the Preferences dialog, search the forum for the keyword "autobahn". Or, this thread should get you there:
Thank you ManiacJoe. I tried this way, but even in that option my lightroom crashes!
At this forum-
There is a quote from Victoria Bampton re AMD graphic drivers-
Version: 3.3.13397 Core Profile Context 15.200.1046.0
Renderer: AMD Radeon R7 200 Series
This is the latest AMD driver from a few days ago? It's causing all kinds of problems. Try rolling back to the ”14.4” driver from April 2014