Sizing things up in build mode never worked with my laptop, I can only size thing down ;(
So I've had this issue since I got TS4, I can size objects down in build more fine, using ) + command, but sizing things up using ( + command never worked. I know I'm not the only one to have that pr...
This might sound stupid... but have you tried pressing random keys to see which one is the right keybind for size up/down? I assume the problem is because of the French keyboard.