Advanced Installer is a very powerful advanced EXE, MSI installer (in accordance with Microsoft Windows authentication) packaging tool based on Windows Installer technique. Maybe you are more accustomed to using the NSIS (Nullsoft Scriptable Install System), but I do suggest you to give it a try. It won't let you down.
For system administrators or advanced computer users, most often, we need to quickly and efficiently deploy/install the same one or a set of software (especially all kinds of necessary system components, such as: Visual C++ Redistributable Packages, DirectX End-User Runtimes, Microsoft .NET Framework, Microsoft XNA Framework Redistributable...) on many computers. This kind of need can be met by a technique called software installation automation (AKA: unattended install or silent install).
This is the Universal Extractor (UniExtract for short) multilingual (34 languages) unofficial repacked (MOD) version made by Gora from Russia (OSzone forum). Its most important function is supporting auto-updating (also includes frequent program improvements). And the official version has stopped updating for a long time.
WICleanup is an application used for scanning and clearing away the unused, unwanted Windows Installer redundancy (junk) files inside system (MSI and MSP files in the "\Windows\Installer" folder), with full name "Windows Installer UnUsed Files Cleanup Tool".