A9 pool update problem

hi have problem with changing pool …
miner is already running 30 min when I click in the pool …all time is loaded and dont have option to update new pool … photo attach i alredy restarted a9 couples time

thank you for help

what is the firmware version of the machine?

thx for replay … problem was fixed my antivirus blocked settings… after i turnoff for 5 min i was able set up …