Sp46134.exe -

Instead, the SP prefix in the filename is a strong indicator that this file is likely related to —Hewlett Packard’s (HP) naming convention for software and driver update packages. HP uses “SP” followed by a number (e.g., SP12345.exe) to distribute BIOS updates, chipset drivers, audio drivers, or firmware patches for their laptops and desktops.

If you encounter a file named sp46134.exe running continuously on a non-HP machine or a computer that does not feature an Intel processor, run an automated scan using a security tool like Windows Defender or Malwarebytes to verify its legitimacy. Sp46134.exe

If the PCI Serial Port still isn't recognized, you might also need the driver, which is often bundled with this or related SoftPaqs. Conclusion Instead, the SP prefix in the filename is