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

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.

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.

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

As the end of life is fast approaching for Windows 10, Microsoft is pushing users to upgrade to Windows 11.