Upgrade to OS 10.4.10 and iTunes 7.3.1 - has caused iTunes to not work

10-11  Source: Network gathering  Views:0 

Since upgraging to the new OS various parts of iTunes don't seem to work. Anyone else having the same problem?
I can't play movies in iTunes, add new movies to iTunes.
Podcasts aren't downloading. It goes through the download process but doesn't actually add the podcast to the list. Once downloaded it says 'Get' as before.
It also won't play existing podcasts which were working before.
Any ideas?
Hello Ian:
First, I would run repair disk from your software install DVD. Then I would run repair permissions from your internal HD.
After that (if nothing improves), I think I would reapply the OS X 10.4.10 update (use the combo - this will not hurt anything).
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