[pinky62]

I ran calibre in debug mode. Disabled all user installed plugins. Checked that the windows firewall has calibre listed in allowed programs. I am running windows 7 64 bit version and this is what the report said
calibre Debug log
calibre 1.24 isfrozen: True is64bit: False
Windows-7-6.1.7601-SP1 Windows ('32bit', 'WindowsPE')
32bit process running on 64bit windows
('Windows', '7', '6.1.7601')
Python 2.7.5
Windows: ('7', '6.1.7601', 'SP1', 'Multiprocessor Free')
Starting up...
Using proxies: {'http': '127.0.0.1:8555', 'https': '127.0.0.1:8555'}
Failed to check for calibre update: <urlopen error [Errno 10061] No connection could be made because the target machine actively refused it>
Using proxies: {'http': '127.0.0.1:8555', 'https': '127.0.0.1:8555'}
Failed to check for plugin update: <urlopen error [Errno 10061] No connection could be made because the target machine actively refused it>
Started up in 10.20 seconds with 5660 books
Job: 1 Download metadata for 1 books finished
Starting job: Download metadata for 1 books
Download complete, with 1 failures

Restarting with: C:\Program Files (x86)\Calibre2\calibre-debug.exe ['calibre-debug.exe', u'--gui-debug', u'c:\\users\\rashid~1\\appdata\\local\\temp\\tmpwt heii.txt']