There is only one person who has the ability to really look into this and they have been out of office for things that were planned well before this migration. I understand the frustrations but until said person returns and can look into the cause of the issue there is little anyone else on the team can do including give any meaningful updates.
Sounds like you may be running into a known issue in 13.22 that it doesn't run from a network location. 13.23 beta releases fix this issue. You can install local and then use that install to grab the beta installer or roll back to 13.21 until 12.23 full release version is out.
Vita3k requires you add the game to the emulator before you can launch them. Because of this any imports for that emulator we just read it's data files for games already installed and import those regardless of what files you try to import since the items added via the emulator are the only ones you'd be able to launch.
First step I'd suggest is close BB and then go to \\LaunchBox\Data\BigBoxSettings.xml. In there file there should be a <Theme>ThemeName</Theme> line. Make sure you change what ever value is in there to "Default" (without quotes) and then save the file and restart Big Box and see if it helps.
Noting that this would be used primarily for ROM management outside of LB since LB already does this for you be simply checking the option in Edit Emulator's Associated Platform tab.
If you're reading LaunchBox data anyway you could read the Platforms.xml file in the Data folder to get the Scrape As value of the platforms and remove the requirement that users HAVE to use the GamesDb platform name in their install.
Never heard of anything like this tbh. Can you take a screen grab? Sounds like you have some third party app somehow mirroring the monitor or something but I'd have NO clue what could be on your machine doing that...
To do what exactly? To move Mario, or to move the camera? N64 only had the single analog stick so if you just want that stick to be reflected on the right just change input settings and save a game override.
You can only use that tool to modify themes made with the CTC and have to have the project files the dev used to make the theme to begin with. I don't believe you can just open the output theme files with CTC. Be best to ask on the projects patreon if you have too many more issues with it as we don't really see much support on here since the project owner moved to that platform.
What upload site you mean? If you're talking about the theme submission website it's best to reach out to @faeran and let him know since he typically does the review and approves/rejects them.
I don't work on that side of things at all so nope! I'd definitely clear browser cache if you haven't already. Could be some loose cobwebs that don't play nice in the new stuff. Still run into the issue make sure to file a bug report. Should be able to mark on the forum you're referring to the website and not either app.
Was able to find a few issues that was negatively impacting this theme and others like it. Corrections have been made and should be in the beta release. Thanks again for that video, really helped pinpoint the issue.