If you don't use the specific HP hardware it's designed for, or if you simply want to remove it, here are the recommended methods.
: If you are setting up an HP dc7800 from scratch, you will likely also need Sp46137.exe (Intel HECI device driver) to clear the "PCI Simple Communications Controller" error often paired right next to the serial port error. If you are dealing with a specific deployment, let me know: What Operating System you are installing it on If you are getting a specific error code in Device Manager
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The wizard will extract the setup files (usually to C:\SWSetup\SP46134 ). Sp46134.exe
Can be found on HP's FTP server at ftp.hp.com/pub/softpaq/sp46001-46500/sp46134.exe. Installation Steps
Dr.Web’s removal recommendations include booting into Safe Mode, performing a full scan with Dr.Web Security Space, or using the Dr.Web LiveDisk emergency repair tool for systems that cannot boot normally.
A diagnostic tool that automatically identifies missing legacy PCI serial and communication ports. If you don't use the specific HP hardware
Wait, also consider that sometimes legitimate programs like game launchers (Eg. Steam, Origin) might have their own installers with such names. The user should check if they downloaded any software recently that might have created this file. If unsure, removing it through a trusted method is advised.
Often, Windows Update just can’t find the right match, leaving your hardware incomplete. That’s where the specific comes in. What is Sp46134.exe?
The driver is stable and serves a purely functional role. It does not provide a user interface but works in the background to enable remote management features. Necessity: This file is highly recommended Can be found on HP's FTP server at ftp
This file is specifically for Intel-based systems with AMT support. If your PC uses an AMD processor or lacks Intel ME hardware, this driver will not install.
HP s Softpaq Download Manager conventionally stores downloaded Softpaqs in C:\SoftPaqDownloadDirectory\spXXXXXX.exe . If the file exists outside this default path — for instance, in %TEMP% , %APPDATA%`, or the Downloads folder — it may have been manually saved, re‑packaged, or dropped by a third‑party installer.
Ensure is checked and click Next . Windows will ingest the legacy driver structure and successfully provision the device. Security Context and Vulnerabilities