The "PCI Encryption/Decryption Controller" error in Windows 10 is not a critical system failure, but rather an indication that a security-specific piece of hardware—usually the Trusted Platform Module—lacks the necessary software to communicate with the operating system. By identifying the hardware and sourcing the correct driver from Windows Update or the manufacturer's website, users can restore the device's full security capabilities, ensuring that features like BitLocker and Secure Boot function as intended.
The error appears under the following conditions: pci encryption/decryption controller driver windows 10
To understand this device, one must first understand the acronym , which stands for Peripheral Component Interconnect . This is a standard bus for attaching hardware devices inside a computer. one must first understand the acronym