This is getting painful sending out the same message. Maybe EA can send out the instructions via origin when you download?
Anyway:
1) Reboot your PC.
2) Right click Red Alert 2 in origin client.
3) Select "Game Properties"
4) In 'Command Line Arguments' type: "-w"
5) Tick "Disable Origin In Game For This Game"
6) Hit OK and enjoy!
PS the search button is your friendv😕mileyhappy:
