當我們移除應用程式時，雖然檔案是移除了，但是在登錄檔中的紀錄卻不會移除，因此造成系統的負擔。再加上越來越多的軟體會自動設定附掛在長駐程式區，弄得電腦開機時也要載入這些程式，更是加重了系統的負擔，難怪開關機的速度會越來越慢，系統的資源還經常不足。透過nCleaner second系統優化大師可以將系統好好的整理一番，在清除多餘的登錄檔、停止非必要的程式或服務在開機時載入，系統的負擔自然會大大的降低，開關機的速度自然會加快，系統也會更穩定，不會再輕易的出現系統資源不足甚至是當機的窘境。

nCleaner second系統優化大師的特點：

* 與其它的系統優化程式相比，nCleaner second不但檔案體積小，安裝迅速方便，而且沒有任何的廣告。

* 簡潔的管理介面，使用上很方便。

* 能清除90個系統和應用程式。

* 支援超過180個應用程式的外掛。

* 能清除登錄檔和修正Window作業系統的錯誤。

* 能監控系統資源維持足夠的硬碟空間和優化記憶體的使用。

* 透過系統顧問監測系統和改正重要的系統錯誤。

* 增加系統與應用程式的速度和穩定度並且增強隱私的保護，並且在同時間釋放硬碟空間和系統資源。

nCleaner is a system cleaner that allows you to clean both your system and applications, free more disk space, boost your system's speed and get more stability and privacy protection.

nCleaner contains an advanced system and application cleaner with over 90 cleaning items available, a Registry Cleaner, a Tweak Manager, an advanced Startup Manager, a Junk Finder, a Free Space Shredder, a System Resource Monitor, a System Adviser, supports logging and statistics as well as advanced Scheduling.

nCleaner has the best cleaning ration on the market due to an advance detection algorithm, also providing security and stability. With nCleaner you can free up to 2 GB of unnecessary disk space. nCleaner supports and handles all major Internet browsers including Microsoft Internet Explorer (and all derived browsers like Avast), Mozilla Firefox, Netscape and Opera. It also supports and handles all major Instant Messaging applications like Yahoo Messenger, Windows MSN Messenger, ICQ, AOL and Skype, office applications, and system items.

Remove unnecessary files like log files and left behind files and registry entries, scan the registry and remove invalid entries to increase performance and stability, and apply performance and privacy related tweaks to your Windows system.

nCleaner also offers memory management, advanced schedule options, real time system resources monitoring, system tweak manger, startup manager, loging options, automatic updater, plugin options, custom clean, advanced statistics and many other features.