We recently made a fix in Remote Boost 20.0.1 that addressed an issue where the username had a non-ascii text in it. It would close the receiver. Not sure if this is your issue, but I suggest trying our latest release which can be downloaded from below.
Be alert for scammers posting fake support phone numbers and/or email addresses on the community. If you think you have received a fake HP Support message, please report it to us by clicking on "Flag Post".