KNIME version 4.6.x update to 4.7.2 issue

@benhunter you should check if you have enough memory assigned to knime. Depending on three size of your tasks half or 2/3 of your system memory might do.

Then you could try and do a restart with the -clean option once:

Then if the software is new you could try and see if an agressiv virus scanner might hinder the start.