I think if I had the setup you describe I'd very likely empty the 10 gig of all content, run it through FDISK and NOT make it an active partition. Then I'd format that clean 10 gig drive and lable it "POSER". Copy the entire contents of the "Runtime" folder from wherever it is and put it in a folder named "?:Poser4Runtime". Uninstall Poser 4 and reinstall it at the new address, which will be on the newly reformatted drive. And that drive may be able to last through (depending on the condition of the drive)a few years of poser and all your files will be where they should be.