Some users report errors where a "required entry is missing." This often happens if Windows tries to use an older driver intended for legacy OS versions. Using the latest CH38X package typically resolves this.
If you have an older PCI (non-Express) card, you might need the CH35XDRV.EXE package instead. CH38XDRV.EXE - Nanjing Qinheng Microelectronics Co., Ltd. wch ch382l driver windows 10
The WCH CH382L is a USB-to-parallel/parallel-like interface IC (commonly used on some USB-to-serial/parallel adapters). Windows needs a compatible driver to recognize devices using the CH382L. Some users report errors where a "required entry is missing
If Windows doesn't recognize the card, go to Device Manager , right-click the "PCI Serial Port" or "Other Device," and select "Update driver" pointing to the folder where you extracted the .ZIP file. CH38XDRV
The first step is obtaining the correct software package. While Windows Update might occasionally find a basic driver, it’s best to use the official utility from Nanjing Qinheng Microelectronics (WCH)
your computer once the "Installation Success" message appears. 2. Manual Installation via Device Manager