Jaký máš OS?

To resolve this issue, install Windows Messaging:

1. Quit all programs that are running on your computer.
2. Click Start, point to Settings, and then click Control Panel.
3. Double-click Add/Remove Programs.
4. Click the Windows Setup tab.
5. In the Components box, click to select the Windows Messaging check box.
6. Click Apply. If you are prompted to insert the Windows CD-ROM, do so.
7. Follow the instructions in the Inbox Setup Wizard to complete the installation of Windows Messaging.