When I insert a BOM Solidworks becomes 50% opaque?

Every single time I insert a BOM, Solidworks becomes transparent and the only way to fix it is to relaunch Solidworks. It doesn't do it it on any other table, just BOM's...  This has only started happening recently.

Windows7 64 bit

NVIDIA Quadro 4000 (Video Drivers up to date)

Solidworks 2013 SP4

SolidworksBill Of Materials