>>I click on 'check all items' and after that i click on 'remove' button. But nothing happens.
>>I have only 44 messages in this section.
>
>It works ok for me. What happens when you do this? Do you have an error, a javascript message, a refresh, etc.? Also, make sure you force a manual refresh on that page in case your browser still uses the old javascript.

It works now. Didn't work on Friday.