Of course it’s not ok to use. Your antivirus has been entirely nuked by the looks of things. And I’m pretty sure that the dude from Russia trying to gain remote access to your PC isn’t your friend. Even that “Antivirus protection has expired today” popup is a virus.
If I were you I would format the hell out of your harddrive/ssd. If that’s a step too far, malwarebytes is a good start but I don’t know, that already looks pretty far gone to me.
Of course it’s not ok to use. Your antivirus has been entirely nuked by the looks of things. And I’m pretty sure that the dude from Russia trying to gain remote access to your PC isn’t your friend. Even that “Antivirus protection has expired today” popup is a virus.
If I were you I would format the hell out of your harddrive/ssd. If that’s a step too far, malwarebytes is a good start but I don’t know, that already looks pretty far gone to me.