AA Window EXP Slider bug

[Starbreaker]

I am unable to use the EXP slider in the AA window. I am a gold account with 92/320 toons. When I try adjust the slider I get the window movment cross-hairs. Now, I realise I am maxed so could that be the issue? Why would it give me the window movment cross hairs to physically move the window? When the expansion comes out I would like to be able to slide the EXP slider back down to 100% adventure XP.... Thanks in advance guys.,