Error - Office.com - Microsoft Support Archived: 2026-04-05 23:34:20 UTC Sign in with Microsoft Sign in or create an account. Hello, Select a different account. You have multiple accounts Choose the account you want to sign in with. Source: https://support.microsoft.com/help/310593/description-of-the-runonceex-registry-key https://support.microsoft.com/help/310593/description-of-the-runonceex-registry-key Page 1 of 1