Sometimes as a result of improper removal of driver for a particular device in the system remain unused files and erroneous registry entries. These inaccuracies and errors may cause malfunction of the Windows, as well as a negative impact on its performance. In order to remedy the situation, you can use a special tool to clean your system of old drivers, such as Driver Sweeper.
The program analyzes the state of the system and automatically detects a fault, at the same time offering to remove the wrong registry key or the wrong file.