Software cannot be installed on the computer.

Your computer is using an operating system that is not supported by your “WALKMAN.”

• Check the system requirements of your computer. [Details]

Other software is running on Windows.

• If other software is running, it may interfere with installation. Particularly, be sure to quit security software as it can put a heavy load on the computer. To prevent infection by viruses, disconnect your computer from the Internet before quitting security software.

There is not enough free space for the hard drive.

• Check the amount of free hard drive space required to install the application, and delete unnecessary files.

Your account has no administrator privileges, or you have not logged in as the computer’s administrator.

• To install the software, log in with an account with administrator privileges or log in as the computer’s administrator.

A message dialog is hidden by the install screen, making the install process seem stopped.

• Press and hold the [Alt] key while pressing the [Tab] key several times until the message dialog appears. Then follow instructions in the message.