Authentication & Activation Errors
24 articles
Office Apps Stuck on “Getting Office Ready” Splash Screen
Microsoft 365 apps become stuck on the “Getting Office Ready” splash screen when the Office Click-to-Run…
Resolving “Something Went Wrong” Error 1001 in Outlook and Teams
Microsoft 365 apps display Error 1001 (“Something went wrong [1001]”) when the underlying Windows authentication broker…
How to Fix Error 0x8004FC12 when Activating Microsoft 365
Error 0x8004FC12 blocks Microsoft 365 apps from reaching activation services, preventing Word, Excel, and Outlook from…
“Sorry, another account from your organization is already signed in”
The error “Sorry, another account from your organization is already signed in” occurs when Microsoft 365…
Troubleshooting Microsoft 365 “Reduced Functionality Mode” after Update
Microsoft 365 enters “Reduced Functionality Mode” (RFM) after an update when desktop applications fail to re-authenticate…
“Your Organization Has Disabled This Device” (Error Code 135011)
Error 135011 occurs during Microsoft 365 sign-in when Microsoft Entra ID (formerly Azure AD) flags your…
How to Clear Office Credential Cache on Windows 11 (The Modern Way)
Clearing the Microsoft Office credential cache on Windows 11 fixes broken sign-in pop-ups, license verification failures,…
“We can’t get to your notebooks” OneNote Activation Error
The “We can’t get to your notebooks” error in OneNote occurs when the desktop application loses…
Troubleshooting TPM 2.0 Errors (80090016) during Office Sign-in
Microsoft 365 sign-in loops triggered by Trusted Platform Module (TPM) Error 80090016 block users from accessing…
“Account Unlicensed” Error despite active M365 Subscription
When you launch a Microsoft 365 application and see an “Account Unlicensed” banner despite having an…
How to Break a Microsoft Authenticator MFA Loop (2025 Update)
Getting stuck in a Microsoft Authenticator multi-factor authentication (MFA) loop means your login screen constantly demands…
Microsoft 365 Activation & Sign-In: Resolving Account Loops and License Errors
When a user cannot authenticate into an Office desktop application, the failure rarely stems from a…