Did you try..
# rm -r lost+found
Without knowing how to use the ext2fs tools, and not wanting to
risk more damage, I tried this and it worked when I had such a
Penguin : Linux version 2.4.1 on an i686 machine (799.53 BogoMips).
I was going to compile a list of innovations that could be
attributed to Microsoft. Once I realized that Ctrl-Alt-Del
was handled in the BIOS, I found that there aren't any.
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