Children just don't have the experience that adults have and they don't have the skills required to handle inappropriate conversations, emails, or images found online. NOTE: Some of these tools include kid-specific web browsers that will visit pre-approved websites. Others include browser plug-ins that won't allow access to online areas that contain forbidden keywords. At the very end of this process, the computer looks for an operating system and if not found, it will prompt the user to tell it where it is. Earlier computers didn't have an operating system and if you have experience with the computers of the early eighties, you'll remember that most to them didn't even have a hard drive! If you have a small collection of computers around the house (and a small collection of computer users), you can connect each one of those computers to one another and share data, software, and hardware including a single Internet connection. There are many creative uses for home networking, however it's an ideal situation when upgrading each computer to the same capability is financially out of the question. Always try to keep your computer updated so that should a program share a file, it will share a file that has been updated on hundreds of thousands of computers, like yours. This article doesn't even begin to cover the entire gamut of computer errors - but additional information regarding how to get help with a computer issue (including computer errors) can be found in our article titled, "Computer Help" no matter what the problem is. A team of professional coders build it but the community at large isn't part of its conception. It's costly to produce and as you can probably guess, that cost is passed on to the end user: the consumer. Open source software on the other hand is free. Free to download, free to install, free to use, free to modify, and free to share. Sometimes, the representatives of these companies participate, but most of the time, the support in this group is user to user, which is just as valid because you're working with a team of experienced people. 5. Support Lines. Another source for help that we shouldn't forget are the support systems of various manufacturers.