My PC crashed quite unusually last night while in the middle of downloading podcasts. iTunes just spent considerable time recovering my library only to tell me it's corrupted. When I got it all working again, it looks like the music is all there, but the podcasts are gone

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No biggy, I thought I'll just resubscribe to them... When I've tried I get an "Unexpected error" message - try again later. I guess I might be reinstalling iTunes this weekend

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Al.