Tried version 0.4.9 and the 0.5.0 from GitHub https://github.com/iloveeclipse/javahexeditor and the issues not solved: dialogs "Find & Replace" and "Go to location" are always opened at first monitor.
version updated to 0.4.1
Bug 2838944 fixed: backward replace should set start position to selection start
Added feature project for update site
+ Status line extended
Project renamed and version raised to 0.4.0 for update site.