Garmin HN294DP/DI - Manual (Page 19)

Hardware Description and Installation
EN/LZT 108 6377 R4 - September 2003 13
NOTE! If the Digital Signature Not Found window (or similar)
appears, you should click Yes (or Continue Anyway) to continue
the installation. This is a warning from Microsoft that the installation
software is not a digitally signed version, but since Ericsson has
tested the software in different Windows versions this is not
necessary.
7. Click Finish to close the InstallShield wizard.
8. Click >>> Exit <<< in the Welcome page of the CD to close that
window.