When working with InfoPath, there are many scenarios where you may need to modify InfoPath XSN files. These include: fixing errors, changing web service urls, tweaking file names or SQL connection strings, removing/editing some value(s), etc. Thankfully, since InfoPath XSN files are just containers (cabinet or .cab files) of many other files, we can use built-in windows tools to break them open, make our changes, and then repackage them. This article explains the full process with an example.
Windows desktop and Windows server fix for error when opening InfoPath document: “The current operation requires Business Connectivity Services client components. Install Business Connectivity Services client components and try again.”