Version: release r99, personal licnese.
Platform: Windows 7 64 bit (16GB RAM)
1. Create new project (or open any existing project)
2. Drag any png to create sprite (or click on any existing sprite)
3. In the "Object Type Properties" dialogue on the left of the IDE, click on "Edit" link next to Animations under "Properties".
4. Construct two crashes every time.