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I can't install Heroes of Might and Magic (my parents won't allow it). Deleting system files is risky, but it's worth a try. I'll try it on Friday and then I'll write about how it went.
Added 1 minute ago
I don't have any unrecognized devices, and I don't have any sound problems either.
Added 1 minute ago
I don't have any unrecognized devices, and I don't have any sound problems either.