It could be old ... could be your connection to the internet... could be a virus. You can go to walmart or your super store and buy a usb for your computer. There are ones that can speed up your computer. I had to buy it for mine and it worked. It might be over 20 dollars depends on where you go.
B. Put it in quotes if it is directly quoted as is and cite the source. You should likely also list the source in the works cited but not the phrase itself.