Open the installation disk and browse to the VBA folder and open the 1033 folder. Double click the VBAOF11I.msi which installs the VBA. Both options are now available from Tools > Macros.From incident 745012, the user's experience was that the work-around as stated (VBAOF11I.msi in the 1033 folder) did not work. He found that running the msi in the folder above that did work. Refer to a posting for this about the order of silent installation for ArcGIS Desktop:<a href="http://resources.esri.com/help/9.3/ArcGISDesktop/installGuides/ArcGIS_Desktop/Installing_silently.htm" target="_blank">http://resources.esri.com/help/9.3/ArcGISDesktop/installGuides/ArcGIS_Desktop/Installing_silently.htm</a>