Mac Textures vs PC

[awesomebilly]

Hey guys,

This is really throwing me off, some of the textures are being displayed on my mac, but not all?
The PC its working fine.

Here is an example:
This works
("/MyAddon/media/radialicon_trade_disabled.dds")

This doesnt work
("/MyAddon/media/radialicon_trade_over.dds")