Installer hangs at the end.

During installation, directly after the Mac OSX Tiger Windowblinds Skin was installed I recieved an error message about a missing .dll file. It was ACIU...dll; I can't remember the rest. After going through the list of changes the program has just decided to hang. There is no NEXT option, I can only close the window. Is this normal? Should I reinstall? Does anyone know anything about the .dll file?

Any help would be greatly appreciated.

#404489