Sp45367.exe [new] May 2026

Sp45367.exe is a specific HP SoftPaq executable containing the Intel Management Engine Interface (MEI) and Serial-over-LAN (SOL) drivers. It is typically required to resolve "PCI Serial Port" or "PCI Simple Communications Controller" errors in the Windows Device Manager.

This guide covers how to install it on supported HP systems (like the HP Compaq 8000/8200 Elite). Preparation

Source: Ensure you download the file from the official HP FTP server or the HP Support site.

Operating Systems: Compatible with Windows 7, 8, and 10 (32-bit and 64-bit). Method 1: Standard Installation This is the easiest method for most users.

Download the sp45367.exe file to a known folder (e.g., Downloads). Double-click the file to run the installer.

Follow the on-screen instructions to extract the files (default location is usually C:\SWSetup\SP45367).

The installer should launch automatically after extraction. If not, go to the folder above and run Setup.exe. Restart your computer once the process is finished. Method 2: Manual Installation (If Method 1 Fails)

If the standard installer doesn't clear the error in Device Manager, use this manual "forced" method:

Extract the files: Right-click sp45367.exe and use a tool like 7-Zip to "Extract to sp45367".

Open Device Manager: Press Win + X and select Device Manager. Sp45367.exe

Find the Error: Right-click the item with the yellow exclamation mark (e.g., PCI Serial Port). Update Driver: Select Update driver. Choose Browse my computer for drivers.

Click Browse and navigate to the folder where you extracted the files in Step 1. Ensure Include subfolders is checked and click Next.

Windows should now identify and install the Intel AMT/LMS drivers. Why are you installing this?

PCI Serial Port: Required for Intel Active Management Technology (AMT).

PCI Simple Communications Controller: Required for the Host Embedded Controller Interface (HECI).

System Performance: These drivers help manage low-level system communication and are often missing after a clean install of Windows 10 on older HP hardware.

If you're still seeing a yellow exclamation mark after this, let me know the Hardware ID (right-click device > Properties > Details > Hardware IDs) and I can find the exact driver for you. Need Drivers for PCI - HP Support Community - 7315589

If you have more information about this file, such as where you found it or what it's supposed to do, I might be able to offer more specific guidance.

Method 2: Uninstall the Related Program

If Sp45367.exe is part of a legitimate driver installer:

  1. Open Control PanelPrograms and Features.
  2. Sort by installation date to find recent drivers.
  3. Uninstall the associated driver (e.g., Samsung USB Driver, Realtek Audio).
  4. Reboot. The temp file will disappear.

First Steps I Took

  1. Located the file
    C:\Users\[User]\AppData\Local\Temp\Sp45367.exe

  2. Checked its digital signature
    None. That’s a red flag. Legitimate software from Microsoft, Adobe, NVIDIA, etc., is almost always signed.

  3. Uploaded to VirusTotal
    Results came back mixed: 4/62 engines flagged it as generic malware (Trojan.GenericKD, PUA.Win32.Sp453). Not screaming “ransomware,” but not clean.

  4. Looked for persistence
    No registry run keys, no scheduled tasks — but it was set to launch on user login via a hidden startup shortcut.

How to Proceed

Final Verdict

Sp45367.exe is not inherently dangerous. In many cases, it is a legitimate driver installer from HP or another hardware vendor. However, due to its generic, system-like name, it is occasionally used by malware authors to evade detection. Executable Files :

Your course of action should be determined solely by file location, digital signature, and behavior. When in doubt, upload the file to VirusTotal or consult a IT professional. Never delete a file you are unsure about without a backup—you might unintentionally break an important device driver.

By following this guide, you can confidently manage Sp45367.exe and keep your Windows system both secure and stable.


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

Since "Sp45367.exe" is a real-life HP driver file for Intel Active Management Technology

, it makes for a perfect "tech-horror" or sci-fi mystery story. The Story: The Ghost in the PCI Port

Elias was a digital archaeologist. He didn't dig in the dirt; he dug through abandoned eBay listings for "untested" office PCs from the mid-2000s. His latest find was an HP Compaq 8000 Elite

, a beige brick of a machine that smelled like ozone and stale cubicles.

After a fresh install of Windows, everything was perfect—except for one stubborn "Unknown Device" in the Device Manager: PCI Serial Port He spent hours on dead forums until a user named sent him a direct link with no text. It was a single file: Sp45367.exe Elias clicked "Run."

The installation bar didn't behave like a normal driver. Instead of progress percentages, it showed strings of text that looked like log entries:

Case B: It’s a Temporary Installer (Located in Temp Folders)

If the file is in a Temp folder and you have already installed the associated software, you can safely delete it. Use Disk Cleanup (built into Windows) to remove all temporary files.