CompuServe Messages

Arrgghh! Just spent several hours creating the thumbnails for my meshes dir. Did several updates along the way to correct missing map-paths and viewports and had no problem continuing to see thumbnails that had already been created. Began thumbnail creation on my projects dir, "ESC" keyed out to fix some stuff, went into 3DS, loaded TVMOD.PXP and BANG! My meshes dir now only has a few of the thumbs avail??! Back out and ran modindx against meshes dir and it tells me all are up to date and makes no changes. Back to 3DS, changed the viewport on one .3ds file, out to modindx and it sees the change and says it is updating it. Back to 3DS and the same thing. Even that newly updated thumb has a red cross thru it still! What am I doing wrong? I am not using the -o option. My mesh files count 373. Too many? I hope not! Help! Bill