Hi Igor, Igor Soaltys said: All 3 rows with gray color were affected by selection I had a chance to test how selection worked in V8 2004 Edition (which is old and not supported version for years) and you are right, at this version, when elements were…

Okay, well you didn't mention that previously. This is a Microstation forum not a Descarte forum so this might not be the best place to ask questions about Descarte functionality.

Double-check that your Microstation temporary directory (defined my the MS_TMP configuration variable) is pointing to a real location. I have seen that sort of thing happen when the directory Microstation was told to use didn't actually exist.