What is the Windows Registry?

In many tech troubleshooting articles, you’ll find a way to fix a problem that involves “editing the Windows registry.” There’s always a dire warning attached, along with the lines of, “Do not attempt to edit the registry unless you know what you’re doing! One wrong registry edit can render your machine unusable!” That’s true, but with a bit of caution, you can safely edit the registry. Here’s what you need to know…

Slow Computer? It might be the Windows Registry…

What is the Windows Registry?

It’s always good to start with a definition. I like to call the Windows registry “a hideously complex ball of string, rubber bands, duct tape and bailing wire that’s supposed to keep track of Windows system settings, your hardware configuration, user preferences, file associations, system policies, and installed software.” It was intended to be an improvement on the simple text-based INI files that stored in Windows configuration settings, but apparently, too many pocket protectors were involved in the design.

One advantage of the registry is that it enables each user of a machine to maintain his/her own settings; each user can have a unique theme, speaker volume setting, set of apps, and so on. But the registry can also apply settings to all users, or a group of users specified by the system administrator (e. g., “adults” and “kids”). The registry is one of the most important files on your hard drive.