If this is Windows 7 or Vista, and if it was previously installed in the Program Files (or Program Files (x86)) folder then the many files Poser 4 places in it's own application folder, including the .rsr cached geometry files, will have been shunted to the Virtual Store and will have been missed when you copied. Go to the Poser 4 folder in Program Files and look at the button bar just over the file and folder panels - the should be a Compatibility Files button, click it and you will be taken to the VirtualStore folder from which you can copy the missing files and paste them into your cloned version.