When you are configuring your menus you may configure a launchpad style menu that can have multiple columns. If you have particularly large amounts of data in these it can cause the menu to go off the edge of the page at lower resolution.
To address this you can go to the menu editor and change the menu to single column.
1. Navigate to your work type and go to menu editor.
2. Select the menu category you want to change and edit the setting to indicate one column