In a nutshell, registry repair software is designed to fix problems with the windows registry, and hopefully prevent your system from crashing. You see, your registry is basically the brain or database of your computer. If the registry becomes damaged in any way, then programs start to crash and your system might even become completely unusable.
If you don't have a registry cleaner then there are a couple of other ways that you can get your computer working again.If you are feeling brave you can try and fix the registry by hand.But if you don't know what you're doing, you can crash your entire computer just by one little mistake. Think of it like performing surgery on your computer.You wouldn't try surgery without the right training and you shouldn't try this kind of repair to you computer without the right knowledge either. Of course, if you have the money to spare you could get a computer repair person to fix it for you, but be prepared to pay $100 or more to have this work done. Plus, it could take days that you're left with no computer, and you'll end up having to bring your computer back in about 6 months from now.
The reason you'll end up having to bring your computer back in 6 months is because every time you install and uninstall software, you're potentially adding more problems for the registry. Every time you add or delete software it can corrupt other system files and delete other important files that your operating system and other software need to work properly. There's nothing you can really do about this except face the fact that you will have to eventually cope with problems with the registry.
Because of this, I would always recommend that you use a registry cleaner to do this kind of work rather than attempt to do it yourself.Using software like this save time and money since you don't need to take your computer to the store and the fact that you don't have any downtime is an added benefit.
Simply install the software and run the scan procedure. On completion of the scan, the software will list all of the errors that it has found, and will ask you if you want to fix them. At this point, all you have to do is click repair and the software will fix all the errors for you. No further action is required on your part. Its a completely non-technical task, just point and click. Anyone can use registry repairer software to fix their problems.