Hello there. As my previous post got unexpectedly locked without getting a solution to my problem, I'm posting it again to hopefully be able to get somewhere with this.It's been a while now that the keys for modes and opening armoury crate don't work...

Hello thereIt's been a while now that the keys for modes and opening armoury crate don't work. I tried opening the app but couldn't at all, so I decided to uninstall it and install it again, which ended in a failure with the error 4142 displayed.I tr...