When you try to activate Microsoft 365 apps, you encounter the error:
Trusted Platform Module malfunctioned
Resolution
1. Remove your Microsoft account from the computer.
Go to the Accounts page in Windows Settings by clicking the Start menu, then the gear icon, then Accounts.
- Click Access work or school.
- Click on your account, then click Disconnect.
- A dialog box will pop up, asking for confirmation to continue. Click Yes to proceed.
- Your computer begins the un-enrollment process.
CAUTION: Please make sure your connection to the internet is stable during this, as it is a "best-effort" process with no built-in retry.
- You should see a message saying that your account has been successfully removed.
2. Restart computer to apply the changes.
3. Sign in again.
After removing your account and restarting your computer, open a Microsoft 365 (Office suite) application. You should be prompted to sign in again. After you sign in, you will see a screen asking if you want to stay signed in to all your apps.
Make sure the "Allow my organization to manage my device in NOT checked. Below examples for that window
NOTE: After you un-check the box, you can choose to sign into this app only, or all apps.
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