Error 1327.Invalid Drive: G:\ mapped to a user folder. The drive does not exist or could not be connected. You can either disconnect the drive or reassign the drive letter. For details refer http://kb2.adobe.com/cps/404/kb404946.html
Hi d parick w,
Please see the KB Doc for Install error 1327 | "Invalid Drive" | CS4, CS5, Acrobat, Reader | Windows - http://helpx.adobe.com/creative-suite/kb/install-error-1327-invalid-dr ive.html which discusses how to resolve your current difficulty.