removed HDD error

https://ibb.co/3ktRd4R https://ibb.co/SvqRWcp https://ibb.co/W5CTvMT https://ibb.co/XSK5Dmv I have 3 disk installed (0,1,2) but I get the following error messages in Event viewer An error was detected on device \Device\Harddisk3\DR5 during a paging operation. Disk 4 has been surprise removed...

i dont see it as a curriculum it as a curriculum is it computer engineering technologies? if my college doesnt have it what courses do i need to take for programming i think programming is just a sub-curriculum instead of a curriculum