[This is an online puzzle solving site, e.g. http://www.jigzone.com/z.php?i=F7055D516D48
"The puzzle is loading..·...
Oops,the puzzle has failed to start in a reasonable time.
This could happen if your are no longer connected to the internet or your computer has problems displaying Java applets.
Investigate the problem" (link - http://www.jigzone.com/faq/help.php
I followed the "Investigate the problem" suggestions and there were no issues.