First I noticed that the USB I'd booted from was listed twice:
To investigate, I opened the folder viewer and clicked to see mounted drives, and encountered a second error:
Then, checking out the new qlipper software it seems not to be displaying properly, and clicking on this displayed item does nothing:
The md5sum matched the stated hash, and I checked disk for errors before starting lubuntu and no errors were found. So is this all normal for various reasons, or should I not try to install from this liveUSB?