need to update what? nothing to update here? why its so hard to make my mouse working again? I just want to use it for game ffs. why is there so much software I need to install and update just for my mouse to be working again. still no solution after...

Try multiple times, and show the same result. I did not open Armoury Crate  

thats the whole point of this issue, I can't update the mouse in Armoury Crate...... I also can't pair it with Omni Receiver.

Tried but still unable to pairing. I hold the pair button for more than 5 seconds and nothing happen, no green checkmark showed.

Already done as per step, connect both 2.4 and wire. Somehow its not working