If not, a client printer will not be mapped during this session. They will not always be able to select a default printer after the session is initiated. Log completely out, set up a local default printer, log back in and try again. See how to set up a local printer if you need additional assistance. Try changing your settings back to default if you changed the default size and colors.
Users can override the default user settings for windows sizes.
If the user does change this it will cause the application to respond slower than on machines that are using the default settings. If you changed the default settings you may see scrollbars within some forms that you previously did not see. Change the settings back to default and check the same form to see if the scrollbars disappear. Users can override the default user settings for windows sizes. Check your default encryption level.