blender 2.62 and problem with layer with M

Hi,

i try to use the layer in blender 2.62 r44136 but i have a problem:

when i selection an object and try to insert in other layer,

the mask with the layer appear but when

click on a layer not work.

is a problem that is know how to resolve or is a novelty

i think it’s a bug. sometimes it happens. close and restart blender…

i try to close and restart but not function

as you can do to seek to resolve the problem?