LockXLS team is continuously working on improving LockXLS Runtime module and fixing problems reported by our customers. Each month or two new version of LockXLS Runtime is published on our website. It is recommended to install it on your PC and on your customer PC's. There is a way to automatically notify your customers about new version of LockXLS. If option Protection Options | Additional Options | Check for new versions of LockXLS Runtime on customer's PC is selected, LockXLS Runtime on customer's PC once a week will check our website for new versions. When new version appeares, your customer will be notified about it:
If you distribute protected document as application, your customer should not install LockXLS Runtime. But application will check our website for new version too. When new version is published, it notifies customer in similar form:
If your customer select download option, new LockXLS Runtime is downloaded and this application updates itself with newer runtime. So, nothing is installed on customer's PC, but LockXLS Runtime Module is upgraded.