challenge to unlock rpg , double kill with launcher stuck at 24/25 ( resolved )

[z__frog__z]

any issues with this challenge to unlock the weapon ..?
or i need to do somthing else on top of that ..?

[The Weasel]

Choose mw3 then stats, rank, progression then im not gaining progress from challenge then click create a support ticket at bottom

https://support.activision.com/options?

Sometimes if you know you beaten the challenge, restarting PC fixes it.

[z__frog__z]

i fix the issues after checking integrity files
each update i forget we need to do that to avoid some bugs / issues drivers / pixel shadow