If you have recently reinstalled Windows, upgraded your operating system, or updated your BIOS, you might see a yellow exclamation mark in Device Manager labeled "PCI Serial Port." This happens because Windows does not include the specific Intel AMT drivers by default.
is an HP SoftPaq executable file. It is a driver package designed for various HP desktop models, particularly those in the business or workstation categories from the late 2000s and early 2010s.
The file is a digitally signed executable, meaning its origin can be verified. It is designed to install necessary drivers for your computer's hardware components. Without these drivers, features like connecting wireless headphones, mice, or keyboards via Bluetooth might not function.
If you are running a supported legacy OS, you can run the executable directly: Sp45367.exe
Stay safe, [Your name / blog handle]
The package contains two primary components required for professional and business-grade HP systems:
This SoftPaq installs two primary interfaces required for remote management in a business environment: Local Management Service (LMS): If you have recently reinstalled Windows, upgraded your
If you are a home user who does not manage PCs over a corporate network, your computer will function completely normally without it. The only consequence is the persistent yellow error flags inside your Device Manager panel. Which computer models use this specific file?
In this case, is safe and is likely scheduled to run once for installation, then delete itself or remain dormant.
If you are experiencing other driver errors on this machine, tell me the or provide the Hardware IDs of any other missing devices in your Device Manager. I can track down the exact matching software package for you! Share public link The file is a digitally signed executable, meaning
These drivers help manage low-level system communication and are often missing after a clean install of Windows 10 on older HP hardware.
Possible legitimate uses
, right-click the "PCI Serial Port," and select Update Driver .