Please describe the problem:
A part of printing configuration freezes in Windows Gimp 2.4.6.

Steps to reproduce:
1. Open any image file
2. "File" menu, then "Print"
3. Click on tab "Image Settings"
4. Click on button "Adjust Page Size and Orientation"
5. Click on button "Cancel"
6. Then you will notice that it is impossible to modify any parameters : Width, Height, etc

Actual results:
Image Printing parameters are frozen. You can't change them once you follow the procedure above.

Expected results:
I would like to set the Image Settings

Does this happen every time?
Yes

Other information: