I tried the diagnosis and this is the report I get.
17:51:42 MiniLyrics 5.3.2810 for MediaMonkey
17:51:42 Your internet setting:
17:51:42 No Proxy is used.
17:51:42 Starting to test online search...
17:51:42 Online search server is www.viewlyrics.com
, port: 1212
17:51:42 Connect to server: www.viewlyrics.com
, port: 1212 ...
17:51:42 Search lyrics artist: testsearch, title: testsearch ...
17:51:52 Search FAILED, Error is: An existing connection was forcibly closed by the remote host.
It seems to connect. So I'm assuming it's a problem on Minilyrics side.