Good to know but note the OP for this thread is NOT asking for help on recovering deleted files, it's a matter of possible microSD card corruption. Recovering deleted files is a different issue than fixing problematic storage media, and utilities that do one are not the necessarily the same as the other.
Recuva claims to do both. But I also linked to others. The point is that there are lots of applications out there that claim to be able to fix the very problem the OP faces so he should try some.
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