I have the same problem as described here : http://developer.appcelerator.com/questions/tag/titanium%20sdk%20missing
after installing Titanium SDK, when updating it, it says can not instal Titanium SDK :(
here is the detail error message :
Error encountered during update
org.apache.http.ConnectionClosedException: Premature end of Content-Length delimited message body (expected: 50122255; received: 27014824 org.apache.http.ConnectionClosedException: Premature end of Content-Length delimited message body (expected: 50122255; received: 27014824 Premature end of Content-Length delimited message body (expected: 50122255; received: 27014824
ad bu the way my os is windows 7.