Hello Norkov, you can make the following test on your side.
Find any file you want to import in Stagsi. Add a comma in the filename and then import the file in Stagsi. When you try to use the ‘Show in Explorer’ command, it won’t find the file and simply show ‘This PC’ root.
In my case, I used a mp4 file called to reproduce this bug:
The Legend of Zelda The Minish Cap [GBA] Longplay 4 August 31st, 2016
I also stumbled upon the same problem with another character: hashtag symbol.
I have a lot of files I download from the internet with the hashtag symbol, here’s an example among so many others:
Megadrive Longplay #14 Castlevania Bloodlines