It seems I got the same error when using the REGULAR bluestacks 2 download (from the original website); I’m downloading and about to try and use the ‘modded’ version from here with hopes I don’t get the same error I got before/the same error you’re receiving now. Looks like it gave that error as if perhaps an update of bluestacks had blocked kingroot from doing it’s magic etc. At least that’s what I got from all of this. I’ll tell you if it works for me (using their entire method here).

BlueStacks (widely known as BlueStacks App Player) is an application that allows its users to use favorite mobile apps on computers with Mac or Windows operating system. It enables downloading programs like Angry Birds Space or Documents to Go directly into the computer or to sync them from your phone.

• A USB-powered option, one reviewer we interviewed employed it with his Surface Pro 2, saying that it was strictly plug-and-play. The LG Electronics External CD/DVD Burner The first external CD & DVD rewriteable drive we examined is produced by LG Electronics- it's 14 mm high and has an 8X right speed for the DVDR and a 24X CD write speed. • Buyers say that it works with Windows 10 and doesn't require any special Windows drivers to burn DVDs and CDs, even functioning well with older model laptops. Yuk108402 external usb 2.0 dvd combo cd-rw drive writer burner dvd player for mac macbook pro. • Another buyer who purchased a new Samsung laptop tells us that since it didn't come equipped with an internal CD or DVD drive that purchasing this electronic accessory was a necessity.

Using bluestacks2.0.exe modded, kingroot etc.