I have visited http://jythonpodcast.hostjava.net/jythonbook/index.html, and My browser has sent me the information below.
Maybe, the web have problems.
Warning: Visiting this site may harm your computer!
The website at jythonpodcast.hostjava.net contains elements from the site reycross.com, which appears to host malware – software that can hurt your computer or otherwise operate without your consent. Just visiting a site that contains malware can infect your computer.
For detailed information about the problems with these elements, visit the Google Safe Browsing diagnostic page for reycross.com.
Learn more about how to protect yourself from harmful software online.
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