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Emulator ACNH Ryujinx Save Corruption

Thread starter RDiddy
Start date Mar 24, 2026
Views 458
Replies 0

RDiddy

New Member

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Mar 24, 2026

#1

My Animal Crossing New Horizons save got corrupted on Ryujinx. My PC shut down while Ryujinx was still running after I saved in game.

main.dat is 9,924 KB with valid version 655400,655362
mainHeader.dat appears corrupt/zeroed out
NHSE gives "Unknown revision" error with all zeros
Game detects save but shows corruption error
Save is from 3/21/2026
Would anyone be able to help repair the header or knows a tool that can fix this?

I can upload save files if needed

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