I was following the accepted solution to the following SuperUser question, which recommends the use of the Microsoft Application Compatibility Toolkit to apply the RunAsInvoker fix:
While doing more research into this topic, I found the following Microsoft TechNet article, which describes how the RunAsInvoker fix works:
The article states:
This compatibility fix does not intercept any APIs; instead, it applies a loader flag to the application.
I tried Googling for more information about what a "loader flag" is in this context, but Google gave no relevant results. What is a "loader flag" in Windows, and can a "loader flag" be set programmatically?