Link to .capx file (required!):
Steps to reproduce:
1. Open a new project.
2. Add a sprite.
3. Press set collision polygon button.
4. Press Ctrl + V (Paste) [I did it accidently)
Construct 2 crashes.
Operating system & service pack:
Windows 8 Pro x64
Construct 2 version:
Tested on R145 and R146.