Pretty much the topic. I ran Calibre in debug mode and the log didn't show much either. No idea why, it just says that the books failed to download covers and metadata.
Code:
calibre Debug log
calibre 0.9.20 isfrozen: True is64bit: False
Windows-7-6.1.7601-SP1 Windows ('32bit', 'WindowsPE')
('Windows', '7', '6.1.7601')
Python 2.7.3
Windows: ('7', '6.1.7601', 'SP1', 'Multiprocessor Free')
Starting up...
Started up in 7.12 seconds with 626 books
Job: 1 Download metadata for 5 books finished
Starting job: Download metadata for 5 books
Download complete, with 5 failures
ITUNES.shutdown()