Although IssProc was specially designed for Inno Setup scripts, you can also use it with other setup scripts like NSIS (Nullsoft Scriptable Install System) Here is a few steps you need to do in order to use IssProc with NSIS to detect if any of the application files are in use, the application(s) that keeps
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Using IssProc with NSIS to detect files in use
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IssProc (DLL Component) Launched
IssProc is a user friendly “file in use” extension for Inno Setup (or other setup builder application like NSIS) that can be used to detect if a certain application (exe, dll module, ocx and so on) or any o ther file type is opened, in use, before continuing with the actual setup, avoiding unnecessary reboots.
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