Means: not reproducible for you?
7z needs endless time to unzip KANBOARD sourde
Seems I also suffer from this problem: STR with 7z version 23.01 on WIN 10: Download this KANBOARD Customizer Plugin "Customizer-1.14.2.zip" Open download folder ˋrightclick Customizer-1.14.2.zip → 7-Zip → Extract to folder ... → Clickˊ » Expected: Unzips completely Actual: Error Messages 😥
the same viking I used when I failed to open my sample document opens Ethan's sample document without problems. And even my sample document now works without problems. Strange!
The screenshot shows the difference: Working 2017-05-05 ... .gpx is shown as "Spur" and would show a normal track affected 2017-05-09 ... .gpx is shown as "Wegpunkte"
Particular GPX-Track not shown
The behavior seems to depend on setting 'Edit → Preferences - Start - Add Default...