Problems with GDemu crashing mid-game

[/dreamcast]

Hey folks,
I've had a GDemu since around 5 years or so (the OG one, don't exactly remember its version), and so far it worked pretty reliably. Until I haven't used it for three years or so, got the Dreamcast out and it GDemu wouldn't start anymore for some reason. I read that others had similar experiences where it would just stop working after a while. I set got a new SD card and set the files up anew and it worked. Until I added another 2, 3 games and it stopped working again. Just the DC options screen, and when I try to start the game, it won't boot into the GDemu Menu.
I got another card, and now it's working again. It's very fragile seeming. Now I got the problem that after about playing about 20-30 minutes, the system crashes back into boot screen, unable to start GDemu again.

Anyone experienced something similar? Might it be a faulty GDemu? I've used a SanDisk 128GB SDXC card (without problems, until I added more games) and now a SanDisk 32GB SADHC card.
submitted by /u/Ekkobelli
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Source: https://www.reddit.com/r/dreamcast/comm ... g_midgame/