Button_CPU , what happens when you click on the error message? Does it prompt you to install a driver?
Also, likely your player has been hacked. There are currently no evidence of legit 8GB clones, and mostly are just hacked 1GB, 2GB, or even lesser memory chips. The formatting guide is here
http://www.mympxplayer.org/how-to-re...ck-vt2400.html