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Crypto CD-ROM Help

This page should help you solve any problems with using The Code Book on CD-ROM.

There are currently six solutions here.


1. I need help with downloading and installing The Code Book on CD-ROM

When: If you are downloading The Code Book on CD-ROM, you may need some extra hints and tips.

How: Please visit our Download Help page. This will only be useful if you want to use the version of the CD-ROM which you can download for free from the internet.

2. Installation fails with Windows XP

When: This problem occasionally occurs with Windows XP. Most users experience no problems.

What: An error message such as "The system file is not suitable for running MS-DOS and Microsoft Windows applications" is displayed.

Why: One or more files are missing and must be replaced.

How: Click here for the step-by-step solution.

3. How do I network the CD-ROM?

What: Schools may wish to make The Code Book on CD-ROM available over a network, rather than installing it on each computer.

How: Click here for the step-by-step solution.

4. Screen size is wrong when using the CD-ROM

What: You are only seeing a portion of the full screen - some parts are lost off the edge of the display.

How: Click here for the step-by-step solution.

5. How do I switch between the CD-ROM and other programs?

What: You want to switch to another program on your computer and then return to the CD-ROM, without having to quit and re-start the CD-ROM.

How: Hold down Alt on your keyboard and then press Tab to select the other program. Repeat this process to return to the CD-ROM.

6. Video clips aren't working

What: Some computers will not play the video clips from the CD-ROM.

Why: The computer does not have the instructions for decoding this type of clip. The instructions must be downloaded.

How: Click here for the step-by-step solution.