Win 8.1 and Clibre - Sharing over the Net

[clockmaker]

I find that in Win 8.1 in Calibre sharing over the net, after login from remote location the screen comes as:

→ home ←


Mobile
Old
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Choose a category to browse by:

NewestNewest
All booksAll books
Random bookRandom book
Virtual Libs.Virtual Libs.
AuthorsAuthors
LanguagesLanguages
PublisherPublisher
RatingRating
SeriesSeries
TagsTags
[F:\KB]

and on choosing any option the output is:
404 Not Found

The path '/xxpils/browse/category/allbooks' was not found.
{the above directory does not exist]
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And the access log shows
.63.222 - - [08/Jul/2014:23:07:23] "GET /favicon.ico HTTP/1.1" 404 725 "" "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36"
32.63.222 - - [08/Jul/2014:23:07:23] "GET /favicon.ico HTTP/1.1" 404 725 "" "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36"

Is it possible for someone to explain what is going on. This behavior exists only with Win 8.1