SUMMARY

Receiving error when installing product. "error 1155: instmsi.exe not found" specifying a directory, usually your CD-ROM drive.  There is a Windows Installer version issue and needs to be updated.

RESOLUTION

Update Windows Installer.

http://www.microsoft.com/downloads/details.aspx?familyid=889482fc-5f56-4a38-b838-de776fd4138c&displaylang=en