Thank you Daniel for quick answer. The reponse which you got from our server is joomla error. I can try to translate to english. It says:
you have no privileg to see this content, login is required!
This error i got many times, mostly with wrong itemID.
Yes, you have right. My site is coding in windows-1250, but also !JoomlaComment is set to Windows-1250 on line:
Content Items / com_content
in
Local charset :
if you are upgrading older release thant 3.0.0, read carefully description on the right !
Where do i need to make a change? Thank you for your time.