Validator not well today ?

For 
http://validator.w3.org/check?uri=http://skyrim.nexusmods.com/downloads/recent.php
--------
Error External Checker not available

     Checking the Document Type of this document requires the help of an 
external tool which was either not enabled in this validator, or is 
currently unavailable. Check in the validator's system configuration 
that HTML5 Validator is enabled and functional.

     The error encountered was: :5: parser error : AttValue: ' expected 
sult <a xmlns="http://www.w3.org/1999/xhtml" 
href="http://www.w3.org/wiki/HTML/U ^ :5: parser error : attributes 
construct error sult <a xmlns="http://www.w3.org/1999/xhtml" 
href="http://www.w3.org/wiki/HTML/U ^ :5: parser error : Couldn't find 
end of Start Tag a line 5 sult <a xmlns="http://www.w3.org/1999/xhtml" 
href="http://www.w3.org/wiki/HTML/U ^ :5: parser error : Premature end 
of data in tag message line 5 sult <a 
xmlns="http://www.w3.org/1999/xhtml" href="http://www.w3.org/wiki/HTML/U 
^ :5: parser error : Premature end of data in tag error line 5 sult <a 
xmlns="http://www.w3.org/1999/xhtml" href="http://www.w3.org/wiki/HTML/U 
^ :5: parser error : Premature end of data in tag messages line 2 sult 
<a xmlns="http://www.w3.org/1999/xhtml" 
href="http://www.w3.org/wiki/HTML/U ^

Received on Saturday, 3 March 2012 09:55:50 UTC