RadRibbonForm back stage button is missplaced when in maximized state with office2010SilverTheme Workarouond: Set the margin when the window is set to maximize. void Form1_Resize(object sender, EventArgs e) { if (this.WindowState == FormWindowState.Maximized) { this.radRibbonBar1.RibbonBarElement.ApplicationButtonElement.Margin = new Padding(3, 35, 3, 0); } else { this.radRibbonBar1.RibbonBarElement.ApplicationButtonElement.Margin = new Padding(3, 33, 3, 0); } }