ITunes could not backup iPhone because the iPhone disconnected

I recently turned on File Vault and Encrypted the backup on my iphone 5s, and now at the end of every sync/backup iTunes says, iTunes could not backup iphone because iphone disconnected. I researched some previous threads but I cant find anything relevant to iTunes 12.0.1.26. I don't know if there is an actual connection to me setting up file vault, or if maybe something became corrupted during the process because I did plug my phone in during the process. How can I fix this?

It appears to be solved, I went into iTunes-Preferences-Devices and right clicked on the backup and clicked show in folder. I removed it to the desktop for safekeeping and then I just created a new back up. All seems fine now and I just threw away the old backup... must have been corrupted somehow. Hope this helps someone else.

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