Goto the messenger main window and then click on "tools"
Then follow this path
tools -> options -> tabs
Then check if the option "show tabs in the messenger window" is enabled
If not then enable it. That should solve your problem.
Does that help ?
EDIT: The problem with the games not available as in it says that it cannot connect or the service is currently unavailable is usually because of a problem in their server. So try it at a later time. And as u said that u live in Spain which is a big country so it should be working soon. If its not then the problem is with you. Then i would suggest checking ur firewall settings if u do indeed use a firewall but i doubt if thats the problem.
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