Problem Description
I have completed my project and just wanted to tweak up the small minor things. The project i have is basic, it is a basic background with a space ship that has moving meteors and when the meteors come in contact with the space ship it has an event where it explodes and plays a sound now all that worked fine no problems at all. Now to touch up the contact borders i wanted to tweak the objects box. Just before i go further im currently using a textbook guide on how to complete this project so i followed the steps. Now when i edit the object/image and select the bottom tool in the edit image window and then right click and select guess polygon shape the program crashes i have screenshots of the crash and the error i get is : 
Problem signature:
  Problem Event Name:	APPCRASH
  Application Name:	Construct2.exe
  Application Version:	2.0.0.0
  Application Timestamp:	53f393f9
  Fault Module Name:	Construct2.exe
  Fault Module Version:	2.0.0.0
  Fault Module Timestamp:	53f393f9
  Exception Code:	c000001d
  Exception Offset:	00000000006cb2a0
  OS Version:	6.1.7600.2.0.0.256.1
  Locale ID:	2057
  Additional Information 1:	46a3
  Additional Information 2:	46a309c2275465e9339f114dff62cf40
  Additional Information 3:	aeb7
  Additional Information 4:	aeb7d4b7446c1b22c722ba8f709de565
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Operating System and Service Pack
Windows 7 64bit home edition
    
Construct 2 Version ID
Release 178 (64bit)