How to Fix: iTunes Error 54 in Windows 7, 8, 10

How to Fix: iTunes Error 54 in Windows 7, 8, 10

The latter case would be rare unless you recently ripped (converted) a bunch of files and attempted to import them into iTunes. If so, you may receive the dreaded error code 54 if the "Convert higher bit rate songs to…" option is checked when running …
Read more on Infopackets (blog)