Smart Rundll32 Exe Fixer Pro offers a hassle-free system tuneup. It finds errors related to your Registry, custom controls, shortcuts, drivers, fonts, shared programs, and configuration files. Before deleting found entries, the program suggests backing them up in case something goes wrong. It also provides a simple tool for cleaning traces left by various applications, such as Internet Explorer, Firefox, and ICQ. Rundll32.exe errors typically occur in response to the inability of Windows to access an application, program or file as the result of a corrupted or missing DLL (Dynamic Link Library) file or in response to a rundll32.exe virus that has been designed to look like a normal Windows process. Rundll32.exe is a command line utility program for the Windows operating system. Some spyware and other malicious files use a similarly named executable file in order to hide their background processors from users. If you suspect that the file is causing problems on your computer, delete it. Smart Rundll32 Exe Fixer Pro does not slow system performance when scanning in the background, though the trial version will correct only 10 faulty files. PC novices and time-pressed experts will find Smart Rundll32 Exe Fixer Pro a good addition to their PC-maintenance regimens. The Windows Registry is database which records all activities on computer, like system configuration settings, user profiles, programs installation/uninstallation, documents creation, hardware/software operations and PC ports activation. Windows Registry includes information for low-level operating system components. During operation, the registry is constantly referred, while it will be invalid when operation is ended. All in all, Windows registry plays an important role in Windows. Once it becomes cluttered or damaged, computer performance will be sluggish, instable or even fail down.