And how can I fix it? I made this cabinet and UV mapped it. When I started adding texture in poser, I saw this.

This is the firefly render.

It probably doesn't matter much because it renders right, but it does prevent useing a preview render. Especially with as big of an area. What cases it and how do I fix it, or at least keep it from happening again?

The preview often maps textures wrong, even in a simple setup without fancy shaders. As long as the Firefly is right, there's probably nothing wrong with your model.

I don't think there's much you can do about it.

Nice hinges, BTW.

If an image map is tiled, scaled, or has U or V offset, it won't preview correctly unless the preview render settings have hardware shading enabled.

That's what I was afraid of. Thanks

No, the map isn't scaled or offset. It's just an image map plugged into the diffuse node for now

What does the UV map look like - does it have some padding around the UV islands?

Here's the template. The offending face is part of the first rectangle that is divided in 2 in the top row.

Perhaps there is a double sided item protruding through the surface from the back. Maddening as it can be in preview mode, I agree that it is not a significant issue if it renders out correctly. Perhaps try to Force Hide Backfacing Polygons in the paramter dial tab ??

It looks like your image is being tiled - you can try to change the settings to alpha or clamped or None (where you plug in the texture - under image mapped.)

But a way to mask it is to make the background of your texture the same wood colour - so it picks up wood colour and not white.

This is why I always add about 15px around each island for bleeding when using the UV map to create textures. That said, I also make sure there's enough room around each island so that the extra pixel size of the texture doesn't intersect with any of the other islands.

Whether or not this would help you in this instance, I don't know. You'd have to try it out for yourself.