Recently I've been getting Bad checksum errors on my XP HOME computer. I tried selecting every single mirror in the list but it did not work. It was due for a formatting so I formatted anyway, 12 hours later I tried again (Every single mirror), still no luck so now I'm posting here.

Before Format:

Windows XP HOME SP2
McAfee, Spybot, Lavasoft, Sudown

After Format:

Windows XP HOME
Spybot, Lavasoft


This suddenly happened when I woke up yesterday, I did not change any major configuration settings.