How to find locked binaries as part of upgrade/fresh installation? When you upgrade an application using windows installer many a time you might have come across issues like the files which you wanted to overwrite or delete is already in use or in another way some other application is already using that binary. In such cases, the windows installer will show a FilesInUse dialog. However, the problem here is this dialog will show only the application name which is consuming the binary and not the actual binary name. This has 2 problems, in case of a simple application which a handful of binaries we can easily figure out the binary getting locked, however in case of a large application with several binaries and run times it might be tricky to find out such locked binaries. The problem gets even more complicated if this scenario occurs in an environment where you don't have access, for example, a customer environment. Let me briefly explain how installer identifies and shows th