Using the Inno installer, we distribute the VC++ redistributable with our app so we can run it automatically. We\'ve found that running it on a system where it\'s already instal
Although not for Inno installer, this related question provides a solution for Visual Studio 2010 setup project. The issue is due to the SP1 of vcredist changed the product code, while Visual Studio uses the old code. That is why the already installed check fails.
Visual C++ 2010 Runtime Libraries prerequisite keeps popping up on a VS 2010 created installer