The NSIS error, error launching installer pop-up, when the downloaded file is either incomplete or modified from the original file. If you try to install the incomplete or modified software in Windows the following error occurs.
1. NSIS Error, Error launching installer
2. Installer integrity check has failed. Common causes include
incomplete download and damaged media. Contact the
installer’s author to obtain a new copy.
More information at:
3. 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 to obtain a new copy.
It may be possible to skip this check using the /NCRC command line switch
If the software installer has failed a self check, it means the installer file has been altered from its original form. If the software is obtained from CD, DVD, or other physical media, then the problem may be due to a hardware failure or more likely the physical media being damaged. There are few tweak to fix NSIS Error, Error launching installer in Windows, 7, 8, and 10
Fixed : NSIS Error, Error Launching Installer
Rename File :
Right click the setup file, and select “Rename” from the list. Now change the file name and copy to another location like drive D or E.
In the above image the VLC setup file name has changed. To install the software in Windows, double click the setup file. done!
Install Using Command Prompt :
Go to Start menu > Run, type cmd and hit Enter. Drag the setup file into the Command Prompt window, hit Space and type /NCRC. Now hit Enter again and the installer should start.
The NCRC command only bypass the corruption test of software, you want to install in your Windows.
Miscellaneous Solution :
If the above methods don’t fix NSIS Error, Error launching installer, try the following steps by steps.
- Update your antivirus and scan for malware, viruses on your Windows system.
- Disable any download manager and download the software again.
- Clear your browser’s cache.
- Download the software from another source approved by publisher.
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