Isn't the latest version of the Bio-Well software for Windows XP version 5.5.3 and wasn't it released in November 2016?
http://www.bio-well.com/gb/download.htmlWhy are you even mentioning version 5.5.4?
We bought our Bio-Well device in March 2017 and downloaded the XP version of the build 5.5.3 on May the 22nd!
We cannot check the version right now: when we saw that this version was dysfunctional, we restored the system to its state prior to the install. But we just re-downloaded the install program from the "Windows XP Software Download" link on the above mentioned download page and can confirm that this is what we installed on our system - exact same size as the exe file we downloaded in May and used for the install. And in answer to your question, no, we never installed version 5.5.2 on this computer.