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Title
HOTFIX: Install Fails With Error 1001 When a .NET Installer Class Component is Present in InstallShield 2015 SP1

Summary

When an install containing a .NET installer class component is built on a machine with a certain version of .NET 4.6, the resulting install fails with error 1001.

Symptoms

When an install containing a .NET installer class component is built on a machine with a certain version of .NET 4.6, the resulting install fails with error 1001. The log shows that the error occurred on the .install custom action used to perform the .NET installer class install actions 

Cause

This behavior is caused by an issue with InstallShield 2015.

Steps To Reproduce

The easiest way to reproduce the issue is on a Windows 10 machine with .NET 4.6.

Steps to Reproduce:

  1. Create a new Basic MSI project on the Windows 10 machine.
  2. Add a .NET installer class dll as a key file of a component.
  3. Set the .NET Installer Class setting to Yes.
  4. Build the project.
  5. Install the built install.

 

Resolution

This issue has been submitted as a bug and is pending review from our Engineering team. The issue is being tracked under issue #IOJ-1752933..

Engineering has released a hotfix that resolves this issue. In order to apply the hotfix, please do the following steps:
  1. Close InstallShield.
  2. Go to <PROGRAM_FILES>\InstallShield\2015\System.
  3. Find and rename ISWIBuild.dll to ISWIBuild.dll.bak
  4. Extract the ISWIBuild.dll from the downloaded zip to the InstallShield System folder.
  5. Open InstallShield and make sure that the path in Tools > Options > .NET tab correctly points to the v4 folder.
  6. Rebuild the project.
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HOTFIX: Install Fails With Error 1001 When a .NET Installer Class Component is Present in InstallShield 2015 SP1