How do I ensure my winform application deployment overwrites old versions

Question

I have created a msi install package for my project from the VS2008 deployment project. but I am having problems when it comes to upgrading installs, The previously installe

Answer 1

Windows Installer has built in checks on your files to make sure that the version is higher than the previous version of that file. If it is not, Windows Installer will not overwrite it. For more extensive info on how Windows Installer handles versioning check out this MSDN article:

http://msdn.microsoft.com/en-us/library/aa368599%28VS.85%29.aspx