The error typically occurs when the MSM Download Tool, used for flashing firmware on Oppo, Realme, and OnePlus devices, fails to detect the required CodeMeter licensing and security software on your Windows PC . Core Causes
After the runtime and certificates are in place, you must run the MSM Download Tool as an administrator. Right-click MsmDownloadTool.exe . Select . 4. Verify Qualcomm Drivers msm download tool cmdongle runtime system is not installed