Fix Trusted Platform Module has malfunctioned, Error 80090034, Encryption failed Microsoft 365 apps Activation error on Windows 11, by following these suggestions.

The Trusted Platform Module (TPM) 2.0 specification is affected by two buffer overflow vulnerabilities that could allow attackers to access or overwrite sensitive data, such as cryptographic keys.

Always use the Trusted Platform Module Management Console (tpm.msc) to clear the TPM. Before clearing the TPM, you should also read the manual that came along with your computer.

Microsoft is investigating a bug triggering security alerts on systems with a Trusted Platform Module (TPM) processor after enabling BitLocker.