1) Check if the Windows installer service is started Click start->type in services.msc and hit enter-> check for windows installer->start the service if it’s stopped
2) If Windows Installer does not work correctly, open Problem Reports and Solutions to see if a solution is available.
3) Unregister Windows Installer, and then reregister Windows Installer.
What does NSIS error ” error launching installer ” mean?
FIX: NSIS error “Failed to reload installer”. The Nullsoft Scriptable Install System (NSIS) error is an error that occurs when you try to install something but the installer file is corrupted or incomplete in some way, if so they don’t match the sets on your system.
What causes NSIS error ” error launching installer “?
The NSIS error appears for the following reasons: the downloaded software installation file is not 100% loaded, corrupted, incomplete, corrupted, or in cases where it does not match the Windows settings. Windows has copied viruses and malware, corrupting all the installation files on your system, just like before.
How to fix NSIS error launching installer in Windows 10?
Method 1: How to fix NSIS error “Installer launch failed” in Windows 10 by renaming the path. Step 1: Press our own Windows key + E to launch most of File Explorer. Step 2: In File Explorer, navigate to the location of most of the installation files (for your failing website).
What is error launching installer?
The message NSIS Error – Stream Installer Error means that the technician was unable to complete the self-test because it has been modified from the original. If the installation continues, the software will be corrupted and will not complete properly. To avoid this, the specialist refrains from continuing to drive the car.
How can I fix NSIS error launching installer?
This is extremely simple and unlikely to cause an NSIS error directly, but you can give it a try as it is known to help. Locate and right-click on the installer file, then select “Rename” from the list. Click on it and press f2 on our keyboard. Change the name to something simpler that only contains the word model. For example, change it to Softwarenamesetup.exe.
Why do I get NSIS error launching installer?
The NSIS error when running the installer is actually a problem that can occur when people install anything with the help of contractors provided by NSIS. This error message indicates that the installer failed to perform a self-test and the software may be corrupted if the task is continued.

Vijay is a tech writer with years of experience in the Windows world. He’s seen it all – from simple problems to catastrophic system failures. He loves nothing more than helping people fix their PCs, and he’s always happy to share his wisdom with anyone who needs it.
When Vijay isn’t fixing Windows problems, he likes to spend time with his wife and two young children. He also enjoys reading, playing cricket, and watching Bollywood movies.