The of the missing device (found under Device Manager > Properties > Details )?
Double-click the downloaded file. By default, HP SoftPaqs extract their installation payloads into a directory on your system drive (typically C:\SWSetup\SP45367\ ).
Understanding Sp45367.exe: The HP Intel AMT Local Management Service Driver Sp45367.exe
: Locate "PCI Serial Port" under "Other devices" (it will likely have a yellow warning icon).
In the tech world, files like "Sp45367.exe" are common. They are part of the behind-the-scenes machinery that keeps our digital lives running smoothly. While their names might not be descriptive or inviting, their roles are crucial. The of the missing device (found under Device
Sp45367 was primarily released during the Windows XP and Windows 7 era for HP Compaq business desktops. However, users have successfully used the driver to resolve PCI Serial Port issues on newer operating systems like , particularly on older PCs that struggle with sleep mode or device recognition after an upgrade. It is not officially designed for Windows 11, but the manual installation method may work for legacy hardware on that OS as well.
While the file itself is legitimate, it's essential to know that a previous version of the (the program that runs .exe files like Sp45367.exe ) had a high-severity security vulnerability . This flaw could allow an attacker to execute arbitrary code and escalate their privileges on your system. Because of this, HP officially recommends that customers delete affected SoftPaq executable files (like SP#####.exe ) to prevent the vulnerable installer from being exploited, and to replace them with updated versions. Understanding Sp45367
Given that system processes like "PCI Serial Port" can sometimes be exploited by malware, it is wise to be cautious. However, this specific file is part of HP’s official software suite. Forum discussions confirm that it is often mistakenly flagged by antivirus software as a "false positive". A false positive occurs when an antivirus program identifies a legitimate file as malicious because the code shares similarities with a known virus signature or because the driver uses a DLL that is uncommon.
If you're still seeing a yellow exclamation mark after this, let me know the (right-click device > Properties > Details > Hardware IDs) and I can find the exact driver for you. Need Drivers for PCI - HP Support Community - 7315589
Understanding Sp45367.exe: The HP Intel AMT and PCI Serial Port Driver Guide