If you have experienced the grief and frustration caused by a slow computer, error messages on startup, freezing and crashing of your computer for no apparent reason, having to wait for entire minutes for your computer to execute the simplest task like opening an Excel application - then you know how important and crucial it is to keep your Windows PC registry in a good working condition

It can happen to anyone We accidentally delete an email that we really need

Many computer threats specialize in performing one task-displaying pop-up ads, collecting user data, changing browser settings and can be easily categorized - they are spyware However there are still a large number of other common threats that cripple your PC differently and perform a variety of different actions and are therefore harder to label