ARO 2010 is registry cleaner, a class of software designed for Windows, whose purported purpose is to remove redundant items from the Windows registry. Registry cleaners in general try to automate the process of looking for invalid entries within the registry and resolving or removing them. Some registry cleaners make no distinction as to the severity of the errors, and many that do may erroneously categorize errors as "critical" with little basis to support it.

“Advanced Registry Optimizer 2010 (ARO) by Sammsoft is an easy-to-use Registry cleaner that can boost your PC's performance by removing errors from your Windows Registry. Added PC tweaks make ARO a simple tool to get the most out of your PC and make it like new again. With the advanced scanning engine and one-click optimization it becomes easy to help your computer reach and maintain optimum performance.”