To benefit most from this document, follow these suggestions: 'Error reading CD-ROM.''Error reading device X:\' (where 'X' is the drive letter for your CD-ROM drive).'X:\ unavailable.' (where 'X' is the drive letter for your CD-ROM drive).Please check write-access to the directory.' 'Unable to create a directory under C:\Windows\System.'Setup is unable to load the installation script file.'.'Setup is unable to initialize the setup program.'Not enough disk space on target drive while decompressing to.'MS Setup Toolkit API Error, Bad Arg 3:AddSectionFiles to CopyList.'.If the problem persists, contact the program vendor.' 'This program has performed an illegal operation and will be shut down.A frozen cursor or screen, blue screen, or unexpected restart.Follow the troubleshooting steps below to clear up many types of installation issues, including the following: Installation issues can be caused by many factors, including conflicting startup items, incorrect data in the Windows registry, and hardware conflicts.