Why are there smiley faces in the buttons on toolbars instead of icons?
Button icons in the Toolbar or Toolboxes are replaced with smiley faces when AutoCAD cannot locate the path to the bitmaps for these buttons. This can occur when the menu template file (MNU) is manually edited after the toolbars have been customized. The changes in line spacing in the template file caused by manual edits can cause the menu resource and compiler files to “lose track” of the button definitions. In this case, open the menu source (MNS) file and menu template (MNU) file in a text editor, and copy and paste the customized toolbar sections from the MNS file to the MNU file. Then rename or delete the MNS, MNC, and MNR files. Use the MENULOAD command to reload the menu file using the template (MNU) menu file. The three compiled menus (MNS, MNC, and MNR) are recreated. As a result, the problem should be corrected. This problem can also occur if the bitmaps are not in the support path. Make sure the support path in the PREFERENCES dialog box includes the directory for the bitmap
