Those links in your
blog posts and
forum posts are actualy:
http://shoutbox.menthix.net/showthread.php?tid=9%E2%80%8B7426
http://shoutbox.menthix.net/showthread.php?tid=9%E2%80%8B8196
etc...
The problem is with all your links to here btw.
Hence why it shows the "Thread does not exist" error.
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EDIT: and also some other links, like the ones in your signature, are wrong:
http://settings.messenger.l%E2%80%8Bive.com/Conversation/IMMe.aspx?invitee=5f
%E2%80%8B04e84d27fa7db0@apps.
%E2%80%8Bmessenger.live.com
http://www.ww-c.x10.mx/forum/member.php?action=pr%E2%80%8Bofile&uid=1
And thus probably many more on all your posts and forums....
For example, I got to
a random post on your forums and it too contains wrong URLs where these three encoded characters are being added:
http://mwss.ww-c.cz.cc/download/?search=100+Trial+Pi%E2%80%8Bt
So I suspect you need to check all your links on all your websites and forums for this malformation.
/ 
