Two common reasons for this error are...

  1. The Asus ProArt is not connected via a compatible USB-C cable. See this article for information on connection requirements.
  2. Calman was not launched with administrator access.
To run Calman as administrator, use these steps:
  1. Open Start.
  2. Right-click the Calman app icon
  3. Select the More submenu
  4. Click the Run as administrator option.