Hello RaviInstalling SAS EG on a PC is a straight forward process.Remove the previous install ( and clean the registry keys if you can).
Reboot the PC and try again.SAS depot includes an independent installer for SAS EG which is in the form of windows executable. If possible use this.
Check if your PC user account has administrator permission to your PC. That is one possible reason for these types of errors.
The SAS Users Group for Administrators (SUGA) is open to all SAS administrators and architects who install, update, manage or maintain a SAS deployment.
Learn how to install the SAS Viya CLI and a few commands you may find useful in this video by SAS’ Darrell Barton.
Find more tutorials on the SAS Users YouTube channel.