I don't think its the Qt libraries upgrade, in changing mathematica back to the old libraries, I still get the same error, perhaps its something else. My advice is update with care ! This is a scary business. I referred this page to Wolfram technical support and I am waiting to hear back.
I don't think its the Qt libraries upgrade, in changing mathematica back to the old libraries, I still get the same error, perhaps its something else. My advice is update with care ! This is a scary business. I referred this page to Wolfram technical support and I am waiting to hear back.