Solved: How do I fix NSIS Error “Error launching installer” when installing software on Windows?

Problem: NSIS (Nullsoft Scriptable Installer System) is a type of installer wizard program used as part of the install process of a number of third-party packages. NSIS error prompt when installing a program using the installer setup file. Why do I getting an NSIS error when installing the program? What is an NSIS error? Whenever …