Some times, when you install software you will get a error message “NSIS Error, Instraller integrity check has failed. Common causes include incomplete download and damaged media. Contact instraller’s author to obtain a new copy.“ I’m trying to re-download the software but problem was not solving. so i have found a easy method which solved my problem. I have tried with windows 10 but i think it will also work with Windows 8, 8.1 and 7.
Jus Open your CMD and run like below:
“Your software folder location\your software “[space]/NCRC
If you don’t understand then watch my full video and learn how to solve it.