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Here, I am getting an strange issue with one of my YUI based .NET 2008 application. Sometimes, it;s able to download the content but sometimes raise the script error message on IE8.

This application is used by many users but few users are only getting this issue. The same code was working fine for them earlier which starts happening after 19th Jun 2012.

Below is the error message.

"Webpage error details

User Agent: Mozilla/4/0 (Compatilble;MSIE 8.0;windows NT 5.1;Trident/4.0,InfoPath.1;.NET CLR 2.9.5.0727)

Message: Invalid Character
Line: 1
Char:1
Code:0

URI: http://yui.yahooapis.com/2.8.1/build/da ... ble-min.js
"

Can someone pls give the pointer to resolve the issue.

Thanks! Yes, I did cleared the IE history many times but it started occuring again. Strnage part is, it works few times for the same screen and raise the error while downloading the content.

Nothing that I am aware of, do you have a reproducible case that I can look at? I need to see the raw headers of the bad download file to see if I can determine the issue.

No, that error means that the file was not downloaded all the way or was corrupted while it was downloading.

On our side this URL (http://yui.yahooapis.com/2.8.1/build/da ... ble-min.js) maps to over 300 servers. In order to determine which of these may be causing your issue I need to see the exact server that's being connected to that may be returning an invalid response.

Please install curl: http://curl.haxx.se/download.html

Then issue this command from the command prompt and give me the output:

curl -v http://yui.yahooapis.com/2.8.1/build/da ... ble-min.js

I don't know Windows at all, but I think you can run `host yui.yahooapis.com` to tell me the server group that you are accessing.