

If everything works correctly you should not proceed any further with these instructions.

expand DrvLett:\i386\_ c:\windows\system32\.

expand DrvLett:\i386\autoexec.nt_ c:\windows\system32\autoexec.nt.expand DrvLett:\i386\config.nt_ c:\windows\system32\config.nt.In the Open box, type cmd and then click OK.Click the Start button in the bottom left of your screen and then click Run.This will be in brackets after the name of the CD-ROM, e.g. Open “My Computer” to find out the drive letter for the drive you are using.Insert your Windows XP CD-ROM into your CD or DVD drive.How: Follow these step-by-step instructions: Why: One or more files are missing and must be replaced. What: An error message such as “The system file is not suitable for running MS-DOS and Microsoft Windows applications” is displayed. When: This problem occasionally occurs with Windows XP. This page explains how to fix the problem. Installation of The Code Book on CD-ROM fails on certain computers running Windows XP.
