my guess would be this is not a ppm install issue but rather a windows file permissions problem. if youre trying this on vista, or newer, make sure you launch your cmd.exe window so its title bar reads 'administrator...' before you try the command. fastest way for me to type how to achieve this is to browse to your system32 folder, right-click 'cmd.exe' then pick 'run as administrator'. then cd to your perl/bin directory and run the command. when you launch your app as the 'true administrator', likely any file permissions problem you were having will hopefully go away. if not, you shoudl check the permissions of the user folder where the file is being copied to and then unpacked from...