Virus
If i keep getting “infections or somebody might have your vpn” on the calendar app, what does that mean?
iPhone 7, iOS 14
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.