If successful, the software will discover the device and load its current configuration.

Navigate to the DLMS executable: C:\Program Files (x86)\Ashly Audio\DLMS\DLMS.exe Right-click > Properties > Compatibility tab:

Now you can launch DLMS.

Windows 11 works perfectly with the latest Protea Software Suite, but you must disable driver signature enforcement temporarily for the legacy FTDI drivers.

Right-click the downloaded file (e.g., DLMS_v1.8.4_Setup.exe) and select Run as administrator. This prevents permission errors when writing to Program Files (x86).

Here is the bug that trips up 90% of installs. The first time you run the Protea software, it will try to scan COM1-4. Your USB adapter is probably on COM5 or higher. The software freezes or says "No devices found."

The Fix:

If the red "Online" indicator turns green, you are done. If not, unplug the unit, close the software, reboot the PC, and try Step 4 again.

Once online, you can control critical parameters:

Pro Tip: After making changes, always click Save to Device (floppy disk icon) – otherwise, a power cycle will revert to the last saved state.