After installation, the "PCI Serial Port" entry in Device Manager should move to the "Ports (COM & LPT)" or "System Devices" section with a proper name. PCI Serial Driver W10 - HP Support Community - 7038994
While specific SoftPaq IDs are eventually retired from active rotation, the lifecycle of serves as a standard model for understanding HP package deployment:
Locate the problematic entry under Other Devices . Right-click it and select Update driver . Choose Browse my computer for drivers . sp45367exe hp download exclusive
If the installer is too old, it might not run on modern Windows. Try running the installer in Compatibility Mode (XP SP3) or use a 32-bit environment to run the exe, which might just extract the files.
Upon its release, this SoftPaq was validated for the following operating systems (and typically remains backward/forward compatible): After installation, the "PCI Serial Port" entry in
A quick look at the file name reveals its nature: the "sp" prefix denotes a oft P aq, and the number 45367 falls within the 45001-45500 range, which corresponds to the HP Compaq 8000 and 6000 series of business desktops.
Before downloading, ensure your target hardware platform fits within the functional profile of this specialized legacy SoftPaq. Using this installer on incompatible frameworks can result in registry instability. Supported Desktop Models Choose Browse my computer for drivers
If you prefer a mobile or modern Windows experience, HP now recommends using the (formerly HP Smart) [14, 15].
This is the simplest method and is often sufficient for Windows XP and Windows 7 systems.
: If your computer runs a newer version of Windows, download HP Support Assistant to automatically scan, diagnose, and fetch necessary platform driver software.
If the installation fails or throws an "OS Not Supported" error: Right-click sp45367.exe and select . Navigate to the Compatibility tab.