While investing the issue on the server for your domain "technologyhub.org", I have found that the below server logs;
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[02-Nov-2012 12:13:03 UTC] PHP Fatal error: Out of memory (allocated 2359296) (tried to allocate 30720 bytes) in /home/technolo/public_html/library/Zend/Controller/Request/Http.php on line 637
[02-Nov-2012 12:13:06 UTC] PHP Fatal error: Out of memory (allocated 8388608) (tried to allocate 122880 bytes) in /home/technolo/public_html/library/XenForo/ControllerPublic/Thread.php on line 165
[03-Nov-2012 02:47:46 UTC] PHP Fatal error: Out of memory (allocated 7602176) (tried to allocate 30720 bytes) in /home/technolo/public_html/library/WidgetFramework/Core.php on line 245
[03-Nov-2012 02:47:46 UTC] PHP Fatal error: Out of memory (allocated 6815744) (tried to allocate 7680 bytes) in /home/technolo/public_html/library/XenForo/DataWriter/User.php on line 1090
[04-Nov-2012 10:34:09 UTC] PHP Fatal error: Out of memory (allocated 5767168) (tried to allocate 30720 bytes) in /home/technolo/public_html/library/XenForo/Template/Helper/Core.php on line 2020
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It seems that the issue is with your memory limit, which needs to be exceeded. So currently I have exceeded it from 64 to 128M. Please try and let me know if you are still getting same issue at your end.