"Empty response from server" error

I've been getting this error for a while. I posted about it elsewhere but it might've been in a dying thread. Here's my error report # : 285804547.

I've already tried restoring from server, and that seemed to work in that "My Library" was empty and then was replenished, but I STILL get the error. I've not been syncing with another computer because I'm not sure if I'll mess up something.

As always, advice appreciated.
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