If other software is running, it may interfere with the installation. Be sure to quit all other software before installing this software. Particularly, be sure to disconnect from the Internet and quit security software as it can put a heavy load on the computer.

There may not be enough free space on the hard drive. Check the amount of free hard drive space required to install the software, and delete any unnecessary files.

You may not be able to install the software if your account does not have administrator privileges or if you have not logged in as a computer administrator. Log in using an account with administrator privileges or as the computer's administrator. Furthermore, if two-byte characters are used in the user name, create a new account using only one-byte characters in the user name.

A message dialog may be hidden by the install screen making the install process seem stopped. Press and hold the “Alt” key while pressing the “Tab” key several times. When the dialog is displayed, follow the instructions in the dialog box.