games are not launching

[mellixoxo]

Hey guys yesterday I installed recalbox onto my old laptop to make a retro gaming machiene out of it.
Today I finally got it running and played for a bit.
but now after i tried to skrape boxarts and restarted not a single game wont load.
theyre all listed like normal but as soon as i launch them I get the error message where it says maybe your rom is corrupted or you dont have the right bios.
Can anyone help me ? i already tried to install bios + i tried it with several different roms on several different emu's.
PS: also the preinstalled roms wont launch.

[mellixoxo]

@mellixoxo UPDATE: just resetted to factory settings games work again

[PhilHenderson]

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