Mobile site is displayed on my desktop browser

Greetings, I reported the follow issue:

Problem: Mobile site is displayed on my desktop browser
In FAQ´s says: For some reason your browser is detected as a mobile browser. A browser add-on could cause this.

I don´t have anything add-on. I tested with three brownser and 5 diferents places in my country.

Does error happen with different browsers?: Yes
Which URL you use to access your site?: www.camara.gov.co/pruebascamara/
Is your site public so we can test it? Yes, you can test it.

My info:
Your user agent: Mozilla/5.0 (Windows NT 6.0; rv:6.0.2) Gecko/20100101 Firefox/6.0.2


Thanks for your help

I've checked your user agent string at www.mobilejoomla.com/uatest.php and both detector plugins detect it correctly.
Most likely you tested mobile version of your site in this browser by clicking "Mobile version" or by visiting url with trailing ?device=xhtml or ?device=iphone. To fix it clear browsers cookies or visit www.camara.gov.co/pruebascamara/?device=desktop

Ok, thanks.

Checking....