: If the installer fails, right-click WLPRO.exe , go to Properties > Compatibility , and select Windows 7 or XP (Service Pack 3) . ⚠️ Important Considerations
: Click Load , browse for your .hex or .bin file (typically generated in Keil IDE), and click OK .
Before proceeding, it's wise to have the hardware's setup CD ready or download the necessary drivers and software from a reliable source.
Locate the installation media (CD/USB) provided with your device, or visit the official manufacturer/distributor support portal. willar programmer software for windows 10 install
Right-click WLPRO.exe and select "Run as administrator" to prevent access errors.
| Issue | Likely Cause | Potential Solution | | :--- | :--- | :--- | | Software Shows "DEMO Mode" | Hardware not detected, driver issue, or high COM port number | Follow and Step 3 above. Ensure you have the correct drivers and a single-digit COM port number. | | COM Port Number in Double Digits | High COM port number assigned by Windows | Follow Step 3 to manually change the COM port to a single-digit value (e.g., COM3). | | Driver Installation Fails | Incorrect driver for your chip or Windows security blocking it. | Download the latest official driver from the manufacturer's site. You may need to temporarily disable driver signature enforcement or run the installer as Administrator. | | "Error Reading From Serial Device" | Communication issue between software and hardware. | Check your USB cable, try a different USB port, and ensure no other program is using the same COM port. |
Once installed, the Willar Programmer interface allows you to: Prepare Images files for your project. Read/Write/Verify : If the installer fails, right-click WLPRO
Installing Willar (WLPRO) Programmer Software on Windows 10: A Step-by-Step Guide
If Windows displays a red security warning stating "Windows can't verify the publisher of this driver software" , click .
Extract the contents of the archive to a dedicated folder on your local drive (e.g., C:\WillarProgrammer ). Avoid running the installation directly from within a zipped folder. Locate the installation media (CD/USB) provided with your
The Willar software communicates with the target programmer board using a virtual serial interface. Windows 10 will fail to recognize the hardware unit until you map the USB port to a Virtual COM Port (VCP).
Expand , right-click your bridge device, and select Properties . Go to Port Settings > Advanced . Change the COM Port Number to a single digit (e.g., COM3). 3. Launching the Software