no screen capture in win xp sp3

[GoogleCodeExporter]

What steps will reproduce the problem?
1.when i try to capture screen region 
2.
3.

What is the expected output? What do you see instead?
i expected a region capture but the function not work

What version of the product are you using? On what operating system?
the last version 

Please provide any additional information below.
in other my computer win7 the function is fine

Original issue reported on code.google.com by guidol...@lameccanica.it on 22 Nov 2012 at 9:53

[GoogleCodeExporter]

when i click on the icon the menu appair but the function selected not work, 
the keyboard shortcut not work

Original comment by guidol...@lameccanica.it on 22 Nov 2012 at 9:56