missing pngs

I redownloaded the coursefiles, but there are some icons missing from the zipped file Path 'J:\AppData\Local\Temp\Brush Icons\Pencil_Red.png' not found Path 'J:\AppData\Local\Temp\Brush Icons\Pencil_Grey.png' not found Path 'J:\AppData\Local\Temp\Brush Icons\Pencil_Grey.png' not found Path 'J:\Documents\Dropbox\texture library\brushes\GP Brushes\GP Icons\gp_brush_chisel.png' not found Path 'J:\Dropbox\texture library\brushes\GP Brushes\GP Icons\HT20pc_Marker.png' not found Path 'J:\Dropbox\texture library\brushes\GP Brushes\GP Icons\HT50pc_Marker.png' not found Path 'J:\Dropbox\texture library\brushes\GP Brushes\GP Icons\HT90pc_Marker.png' not found Path 'J:\oefen\cgcookie\Brushes\Textures\Charcoal01.png' not found Path 'J:\Documents\Dropbox\texture library\paper\Gabrielle Paper\Gabrielle Paper (19).png' not found Path 'J:\Documents\Dropbox\texture library\brushes\GP Brushes\GP_Textures\Graphite2.png' not found Path 'J:\AppData\Local\Temp\Brush Icons\Pencil_Red.png' not found Path 'J:\AppData\Local\Temp\Brush Icons\Pencil_Grey.png' not found Path 'J:\AppData\Local\Temp\Brush Icons\Pencil_Grey.png' not found Path 'J:\Documents\Dropbox\texture library\brushes\GP Brushes\GP Icons\gp_brush_chisel.png' not found Path 'J:\Dropbox\texture library\brushes\GP Brushes\GP Icons\HT20pc_Marker.png' not found Path 'J:\Dropbox\texture library\brushes\GP Brushes\GP Icons\HT50pc_Marker.png' not found Path 'J:\Dropbox\texture library\brushes\GP Brushes\GP Icons\HT90pc_Marker.png' not found Path 'J:\oefen\cgcookie\Brushes\Textures\Charcoal01.png' not found Path 'J:\Documents\Dropbox\texture library\paper\Gabrielle Paper\Gabrielle Paper (19).png' not found Path 'J:\Documents\Dropbox\texture library\brushes\GP Brushes\GP_Textures\Graphite2.png' not found