I just thought I'd share. I had a problem setting up and testing Launchbox that was driving me nuts.
I'm not really sure if this needs a bug report because it shouldn't be handling things this way, a feature request to implement error checking and notification that's not there, or just a helpful guide for anyone else who seemed to come up dry searching.
Problem:
When you try to launch a game instead of the game opening either
A: The file opens in the default program instead (for me it was winrar)
or
B: The emulator launches and for me gives an "Uncorrectable data at sector 0" error sending me to the Saturn dashboard. Instead of unzipping the rom to the temp folder to launch as it's supposed to, it unzips in the rom parent directory (and leaves a mess)!
Both of these scenarios were happening to me on some systems and I had no idea. Sega CD worked great in retroarch but Saturn in retroarch did not work. Bin/iso/Cue were named correctly in the cue/file. 3do would just open the rar file quietly. Debug logging was turned on but there was ZERO indication of issues in the logs. Removing and re-adding my Saturn platform did nothing.
Solution:
3do: I apparently never added the 4do core to retroarch- oops!
Shouldn't this normally pop an error of some type if the platform was marked as roms / or matching an "emulator required" scraper?
Sega Saturn: I had to add the core to retroarch after setting up the emulator. Even after selecting it in the drop down, it didn't like beetle. I set the core to mednafen_snes, closed out, "launched" a game, then went back and set the core to mednafen_saturn again. After this, my games started extracting to the proper location and launching successfully.
Neither case was related to my roms but I would think should have popped some kind of message to console/debug logs. Is error handling and notification not yet integrated or perhaps broken?
My searches I ran just came up with "I reinstalled", had XML issues, or problems with the rom files themselves. but it looks like it's much simpler to solve. This looks like something specific within LB.
I hope this helps someone else going nuts just like me!