PROBLEM
This problem is addressed in ArcGIS 8.1 Service Pack 1. See Related Information section to download this pack.
Selecting part of a multipart feature in the Edit Sketch Properties dialog box after editing the vertex of a previous part may cause ArcMap to crash.
If you change a vertex value and then click a different part before pressing the Enter key, ArcMap may crash.
Press the Enter key after modifying a vertex' X, Y, Z, or M value.
Article ID:000003676
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