There could also be some technical difficulties with the game itself. Your issue will be addressed and resolved by the technicians as soon as possible.

Your last option is to contact Activision Support and let them know what problems you are facing. Related: How long is the Campaign in Call of Duty: Vanguard?

This may take a while, but will search and fix any corrupted in the Call of Duty Vanguard folder.

Last but not least, click on the settings wheel next to 'Play' and choose the ' Scan and Repair' option.

This option seems to be the best solution for the persisting issue, and it might work for you too.

Try and see if restarting your router helps.

Make sure that you are getting the internet speed promised by the service provider.

The issue may be because can't connect to the servers.

First and foremost, check whether your internet connection is working properly.

Here's how to fix Call of Duty Vanguard not working on PC:

If the play button for CoD Vanguard inside the app is grayed out for you, the following steps may fix the problem. If you are one of them, here's a guide to help you out. Although the servers for the game have officially gone live, some PC players are having trouble getting into them. Call of Duty Vanguard went live a few hours ago and players are dropping in for yet another WWII era experience.

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