Because v239 uses kernel-level drivers (the same ones used by malware to write to disks), Windows Defender will scream bloody murder. You will need to disable Real-Time Protection or create an exclusion folder. Do not download this from random YouTube links. The legitimate v239 has a specific SHA-256 hash circulating on XDA. If the archive contains an installer.exe larger than 5MB, it’s likely a cryptominer.
The (often referred to as AndroidTool or RKDevTool ) is the official PC-side flashing utility developed by Rockchip Electronics. It is designed to communicate with Rockchip devices in Mask ROM Mode or Loader Mode to burn firmware images (ROMs) directly to the device’s NAND flash memory. rk android tool v239