Office 365 error 80090034

Situation: When running Office 365, you may receive Your computer’s Trusted Platform Module has malfunctioned. if this error persists, contact your system admin with error code 80090034.

Troubleshooting 1: Cleared your TPM.

To clear the TPM

1. Open the Windows Defender Security Center app.
2. Click Device security.
3. Click Security processor details.
4. Click Security processor troubleshooting.
5. Click Clear TPM.
6. You will be prompted to restart the computer. During the restart, you might be prompted by the UEFI to press a button to confirm that you wish to clear the TPM.
7. After the PC restarts, your TPM will be automatically prepared for use by Windows 10.

Troubleshooting 2: Turn on or turn off the TPM (available only with TPM 1.2 with Windows 10, version 1507 or 1511)

To turn on the TPM (TPM 1.2 with Windows 10, version 1507 or 1511 only)

1. Open the TPM MMC (tpm.msc).
2. In the Action pane, click Turn TPM On to display the Turn on the TPM Security Hardware page. Read the instructions on this page.
3. Click Shutdown (or Restart), and then follow the UEFI screen prompts.After the computer restarts, but before you sign in to Windows, you will be prompted to accept the reconfiguration of the TPM. This ensures that the user has physical access to the computer and that malicious software is not attempting to make changes to the TPM.

To turn off the TPM (TPM 1.2 with Windows 10, version 1507 or 1511 only)

1. Open the TPM MMC (tpm.msc).
2. In the Action pane, click Turn TPM Off to display the Turn off the TPM security hardware page.
3. In the Turn off the TPM security hardware dialog box, select a method to enter your owner password and turning off the TPM:
   • If you saved your TPM owner password on a removable storage device, insert it, and then click I have the owner password file. In the Select backup file with the TPM owner password dialog box, click Browse to locate the .tpm file that is saved on your removable storage device, click Open, and then click Turn TPM Off.
   • If you do not have the removable storage device with your saved TPM owner password, click I want to enter the password. In the Type your TPM owner password dialog box, type your password (including hyphens), and then click Turn TPM Off.
   • If you did not save your TPM owner password or no longer know it, click I do not have the TPM owner password, and follow the instructions that are provided in the dialog box and subsequent UEFI screens to turn off the TPM without entering the password.

Troubleshooting 3: Modifying two registry keys may also help you solve the problem.
a) Go to the Registry Editor (press Win + R, enter regedit)
b) Go to HKEY_LOCAL_MACHINE\Software\Microsoft\Cryptography\Protect\Providers\df9d8cd0-1501-11d1-8c7a-00c04fc297eb. Create a new REG_DWORD value called “ProtectionPolicy” and leave the value at 1.
c) Go to HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\Identity. Inside “Identity”, create a new REG_DWORD value called “EnableADAL” and leave the value at 0.
d) Restart computer and try again to login from Office 365 to activate it.

Troubleshooting 4: Setup Outlook Manually

If you have this problem to setup Outlook, try setup Outlook manually.