Cartoonreader: fail to open cartoon from the new feed

To reproduce:
1. Install Cartoonreader application on E drive(Mass memory).(Note this issue is not reproduced if the Cartoon reader is installed on C drive.)
2. Press cartoon management icon
3. Press the add "+" icon
4. Type feeds (Reverend fun) in input field and press save.
(Reverend fun) - http://www.reverendfun.com/features/rss/index.php?language=en
5. Press Reverend Fun from the list.
6. Press cartoon management icon.

Expected result: new feed (Reverend fun) is added to the list and the Cartoon from (Reverend fun) opens in Cartoon view

Actual result: Can't open the cartoon from new feed (Reverend fun), it always opens the default cartoon from xkcd. One more xkcd feed is automatically added to the list if reopen the cartoon management icon.

More details from private JIRA: https://qtrequirements.europe.nokia.com/browse/QT-5082