The calendar app keeps sending me virus alerts

If running iOS 13 or earlier versions, check: Settings - Passwords & Accounts - Accounts - Any rogue entries here? If so, delete the rogue account. 

If running iOS 14, check: Settings - Calendar - Accounts - Any rogue entries here? If so, delete the rogue account. 

The Apple support article is below. 

https://support.apple.com/en-us/HT211076

And now since the new updated version it won’t even let me go to the website to fix it and everything that I go to to fix it in the past has asked me for money when I have McAfee 360 , that supposed to detect viruses and it doesn’t even detect anything!

Follow the instructions specific to your version of iOS to get rid of the spammy calendar entries.

Delete the useless app, and be certain to check for any subscriptions to the app.

In my initial reply.

You are welcome.

Calendar virus:

It’s been about two months now I’ve done what I was told to do by McAfee and T-Mobile my phone is updating but it does not go away it just isn’t send them to me every 15 minutes

McAfee is not required. Get rid of it. Get rid of any subscriptions you have to McAfee.

T-Mobile is not required.

$$ is not required. Follow the instructions above.