Never had this problem myself but like basicwiz I have one 2 or two items that did not work if i moved them to another runtime.

Desktop : AMD FX4100 , GT-630 1GB, 4x BD-RE , AOC e2343 23in LED Monitor , 1TB External (120mb/s write speed)(stores my all poser stuff and photo's from camera) and 1TB internal HDD

P2010 , P2012 , P2014 , Reality 3 , Max 2014 , Lightwave 11 , Showcase 2014 

Location : Rainy UK

Website @ www.steadyrabbitdesign.freezoy.com (New site still under construction) & Dev art : Tim2700