Issue

Fix for TPM Device Manager Error in Windows 7 64-bit

Issue:

After the October 2017 Windows update, some Windows 7 64-bit users encountered an issue where the TPM (Trusted Platform Module) device displayed an exclamation point in Device Manager under "Security devices."

Solution:

To resolve this issue, follow these steps:

1. Download the Microsoft hotfix for the ACPIMSFT0101 device.

2. Run the hotfix to install the device.

3. Check Device Manager to verify that the exclamation point has disappeared.

Additional Notes:

* This hotfix is only applicable for Windows 7 64-bit.

* The TPM module is responsible for providing secure storage for cryptographic keys and other sensitive information.

* The ACPIMSFT0101 device corresponds to the TPM module.

* If you are still experiencing issues with the TPM after installing the hotfix, contact Microsoft support.