: Usually an Setup.exe or DriverInstaller.exe .
If you see a yellow exclamation mark with a "Code 10" error, it often means you are using an older Prolific chip that is no longer supported by newer driver versions. In this case, you may need to "Roll Back Driver" to a version from 2008 or earlier. Port Consistency: u232 p9 driver windows 10
Before downloading anything, identify your chipset. The “U232 P9” is a generic product name, but internally it uses one of two chips: : Usually an Setup
: If you see "This device cannot start (Code 10)," it often means the driver is too new for an older Prolific chip. You may need to manually downgrade the driver to an older version (like 3.3.2.102) to get it to work. The original manufacturer
The original manufacturer, Magic Control Technology (MCT), provides drivers that support Windows 7, 8.1, and 10 .