Upa Usb Programmer 1.3 Driver Download Link =link=
Here is the proper content and download link information for the UPA USB Programmer 1.3 driver.
Part 7: Final Checklist for a Successful UPA 1.3 Setup
- [ ] I have identified my UPA version (check board: PL2303 or CH340 chip).
- [ ] I downloaded the driver from a trusted source (no random forum links).
- [ ] I disabled driver signature enforcement on Windows 10/11.
- [ ] I uninstalled old USB-to-Serial drivers first.
- [ ] I installed the driver before plugging in the device.
- [ ] The COM port appears without exclamation marks.
- [ ] I set latency to 1ms and COM port number below 10.
- [ ] The UPA software detects the programmer.
Step 3: Install the Downloaded Driver
- Extract the downloaded ZIP (e.g.,
PL2303_3.3.2.105.zip).
- Run
PL2303_3.3.2.105_Installer.exe as Administrator.
- Follow the wizard. Do not plug in the UPA programmer during installation.
- When finished, restart your PC.
Error 1: “This device cannot start. (Code 10)”
Cause: Windows 10/11 blocked the older driver.
Fix: Reinstall using the disable driver signature enforcement method. Alternatively, use the Prolific Driver v1.8.0 designed for legacy devices. Upa Usb Programmer 1.3 Driver Download LINK
Installation Instructions (Critical)
- Uninstall any newer Prolific drivers from "Programs and Features".
- Disable automatic driver updates (Windows 10/11: Device Installation Settings → No).
- Run the installer (
PL2303_Prolific_DriverInstaller_v3.3.2.105.exe) as Administrator.
- Connect UPA USB Programmer 1.3 – it should appear in Device Manager as "Prolific USB-to-Serial Comm Port (COMx)".
- Set COM port (1–4 recommended) via Device Manager → Port Settings → Advanced.
⚠️ Windows 10/11 Warning: Newer OS versions may still reject the driver with Code 10 (driver cannot start). If this happens, you must use a virtual machine with Windows 7/XP or a dedicated older PC. Here is the proper content and download link
Error 4: UPA Software crashes when starting read/write
Cause: Power delivery issue or wrong COM port settings.
Fix: Go to Device Manager > COM Port > Properties > Port Settings > Advanced > Set Latency Timer to 1 ms. Also, ensure the UPA gets external power if needed. Part 7: Final Checklist for a Successful UPA 1