NSIS Error

Problem:

NSIS Error -

The installer you are trying to use is corrupted or incomplete.
This could be the result of a damaged disk, a failed download or
a virus.
You may want to contact the author of this installer of obtain a new
copy. It may be possible to skip this check using the /NCRC command
line switch(NOT RECOMMENDED)

Permanent Solution:

NSIS is a Scriptable Install System made by nullsoft you can try to
download the latest version from http://nsis.sourceforge.net/, if you are
getting the error when trying to install a program. If you are not
trying to install a program you should check your system's start up properties:

Start-->Run-->msconfig

or

Try using this utility Autoruns by Systernals