The PCI Encryption/Decryption Controller is typically part of a chipset (often AMD or Intel) or a dedicated security module (such as TPM - Trusted Platform Module). On Windows 7 64-bit, this driver may not install automatically, resulting in a yellow exclamation mark in Device Manager.
Here is the text you can use for searching or requesting the driver:
The PCI Encryption/Decryption Controller is typically part of a chipset (often AMD or Intel) or a dedicated security module (such as TPM - Trusted Platform Module). On Windows 7 64-bit, this driver may not install automatically, resulting in a yellow exclamation mark in Device Manager.
Here is the text you can use for searching or requesting the driver: pci encryption decryption controller driver windows 7 64 bit