Program crashes at Sun Position Calculator launch

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Open any Tonatiuh file
2. Try launching the Sun Position Calculator
3. The calculator window freezes with a white empty workspace before anything 
to appear on it with a "(Not responding)" phrase next to the title
4. When I try closing the window, program crashes and not responding dialog box 
appears, saying Tonatiuh.exe is not responding.

What is the expected output? What do you see instead?
Sun Position Calculator fails to launch. Once I was able to see the calculator, 
but after 1.2.6 to 2.0.0 update and some uninstallations-reinstallations, the 
problem started and persists.

What version of the product are you using? On what operating system?
I've tried both Win7x64 1.2.6 and Win7x64 2.0.0, currently I'm using 2.0.0 on 
Windows 7 x64.

Please provide any additional information below.

Here is the topic that I've started before, with screenshots and the problem 
details of not responding:
https://groups.google.com/forum/?fromgroups=#!topic/tonatiuh-raytracer/QhLB7dto7
RM

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Description:
  A problem caused this program to stop interacting with Windows.

Problem signature:
  Problem Event Name:   AppHangB1
  Application Name: Tonatiuh.exe
  Application Version:  0.0.0.0
  Application Timestamp:    50d42eea
  Hang Signature:   d6d8
  Hang Type:    0
  OS Version:   6.1.7601.2.1.0.256.1
  Locale ID:    1055
  Additional Hang Signature 1:  d6d89912c3ef75c5cd1a86c4d23a674c
  Additional Hang Signature 2:  4d61
  Additional Hang Signature 3:  4d61757484e01e40f7d3c5766c513d40
  Additional Hang Signature 4:  d6d8
  Additional Hang Signature 5:  d6d89912c3ef75c5cd1a86c4d23a674c
  Additional Hang Signature 6:  4d61
  Additional Hang Signature 7:  4d61757484e01e40f7d3c5766c513d40

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Original issue reported on code.google.com by redbul...@gmail.com on 25 Apr 2013 at 8:11

Attachments:

• [tonatiuh about.jpg](https://storage.googleapis.com/google-code-attachments/tonatiuh/issue-65/comment-0/tonatiuh about.jpg)
• [tonatiuh crash.jpg](https://storage.googleapis.com/google-code-attachments/tonatiuh/issue-65/comment-0/tonatiuh crash.jpg)

[GoogleCodeExporter]

Back with an update:

I've uninstalled the win7x64 2.0.0 version, cleaned my registry with Ccleaner, 
deleted the C:/Tonatiuh folder manually and then installed the win7 1.2.6 (x86) 
version. The calculator was able to launch within an empty file with only sun 
defined as pillbox. Then I closed it, opened another file that is downloaded 
from tutorials page, and there it was. Calculator failed again. And it's unable 
to launch in any circumstance, including the one that I was able to launch 
before...

Original comment by redbul...@gmail.com on 25 Apr 2013 at 9:28

[GoogleCodeExporter]

Well, for sake of the problem to be solved ASAP, another update. On win7x64 
1.2.6 just a moment ago, calculator has launched without problem. I closed it 
and re-launched it without making any changes, in the same file without exiting 
the program, and it failed again... This just doesn't make sense to me... I'm 
desperately in need of help. Thanks in advance.

Original comment by redbul...@gmail.com on 25 Apr 2013 at 11:50