Answer:
It offers advice on how to repair and maintain your computer.
Step-by-step explanation:
About.com does not exist anymore sadly. However, it is available with a new name dot dash. And the PC support option is available under livewire. And here you can get advice on how to repair and maintain your computer. And that was the theme behind the About.com. And it has nothing to do with the links to useful tech support websites and forums, or it does not advertise the software which protects you from third-party threats. And it does not as well detail the list of error messages and the symptoms. And hence the correct option is as mentioned in the Answer section.