Loading Redline.dpr Problem

I am using GeoWebPublisher V8i Select Series 2 and we have just set up the redlining feature.

When I test this on our hosting server, I can create redline features, save the .dpr file and reload the .dpr file successfully.

However, when I test this remotely from my local pc through IE9, I am having problems on the reload of the .dpr file.

I dont get any error, the file simply doesn't load (or if it does load it's not being displayed on the map).

I have copied the .dpr file in question to the hosting server and tried loading it there, and once again it works ok.

Has anyone experienced this same issue or can someone suggest how I might resolve this?

Thanks everyone.