If you can tell me you are using and what version of Windows you have installed, I can help you confirm if this is the right driver for your system.

Yes, provided it is downloaded from official HP support channels or the verified HP FTP matrix. Avoid third-party "driver utility" websites, as they often pack malware or generic installers into renamed executables. What happens if I choose not to install it?

Malicious or unwanted possibilities

Elias didn't touch the mouse. He didn't have to. The 'Yes' button clicked itself.

the executable file using a tool like 7-Zip instead of double-clicking it. Right-click sp45367.exe , select 7-Zip, and choose "Extract to 'sp45367'".

: Locate "PCI Serial Port" under "Other devices" (it will likely have a yellow warning icon).

This SoftPaq was explicitly packaged for older, highly durable . These systems are frequently repurposed today for legacy labs, audio recording studios, and lightweight retro-gaming emulation systems. The driver package primarily targets: HP Compaq 6000 Pro (All form factors)

The computer fans began to whine, climbing in pitch until they sounded like a distant scream. Elias pulled his hand back as the casing grew hot—not the dry heat of a CPU, but a humid, stifling warmth.

You likely have a or scheduled task recreating it. Run a full antimalware scan and check Task Scheduler for unfamiliar triggers.

Indicators for Investigation

Sp45367.exe is an essential driver for resolving the "PCI Serial Port" driver error on older HP desktop computers. By enabling the Intel Local Management Service, it allows for proper communication between the chipset and the operating system, eliminating the unknown device error in your Device Manager.

The files will extract locally (usually into C:\SWSetup\SP45367 ).

Have questions about other unusual executables? Leave a comment below, and we’ll help you identify them.

Operates locally on the machine to bridge the communication gap between local management software and the Intel AMT firmware. Compatible Hardware Models

Download the file from the HP Support Community or official archives. Use a tool like 7-Zip to extract the .exe into its own folder.