I got an error when trying to run the National Instruments installer on my Mac OS X. Every time I run the installer, the error will instantly showed up. And it is telling me that the nivisai.mpkg is from unidentified developer. This issue doesn't appear when I first run this prior to upgrading to Mac OS X 10.8. How can I fix this?
"nivisai.mpkg" can't be opened because it is from an unidentified developer.
Your security preferences allow installation of only apps from the Mac App Store and identified developers.