If Sp45367.exe is part of a legitimate driver installer:
Resolves "PCI Serial Port" or "PCI Simple Communications Controller" unknown device errors. Sp45367.exe
If you are using an HP desktop and need to resolve the PCI Serial Port issue, follow these steps to install the driver: If Sp45367
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 According to HP's official documentation, the Sp45367
This driver is not for all HP computers. According to HP's official documentation, the Sp45367.exe driver was intended for use with specific business-class desktop models from around 2010. These models include:
Possible Behaviors
If you decide to remove Sp45367.exe, follow these steps: