I am learning VS 2008 setup project to create install for our C# application. I made a mistake trying to delete the exe itself during the uninstall. Now I manually deleted t
Remove your install entry in registry here. You might need to find out the GUID from your setup project.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall OR
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall
Check also DisplayName, it can be helpful when your product has defined friendly name.