avast! 4 Home Edition is a free complete ICSA certified antivirus software for home noncommercial use. avast! obtained VB100% awards in 2002/4 Virus Bulletin comparative reviews under Windows.

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This program will help you to easily free up disk space from temporary, unwanted files, and clean system registry from unneeded registry keys. It is absolutely free and does not contain adware or spyware functions.

LCleaner is very easy to use just select the items you would like to clean and then press the Clean Selected button.

LCleaner can clear system temporary files, user temporary files, Windows log files, Windows memory dump files, recycle bin, recent documents list, run list MRU, common dialogs MRU, typed URLs and more.

Hazard Shield  is a fast antimalware program. Hazard Shield can scan and remove threats many vendors can´t even touch. With just the click of two buttons you can scan for threats and remove them. Hazard Shield has a friendly interface that anyone can easily use, so you won´t waste any time finding out how to use the program. Hazard Shield also comes with some useful intergrated tools. The most popular is the file killer. Hazard Shield´s file killer can remove virtually any file on your system. Its very useful for removing locked or in-use files. Several other tools include an uninstall manager, a process manager and a scheduled task manager.
Want more? Hazard Shield also comes with Realtime protection! Hazard Shield´s Realtime moniter can protect your computer by removing threats before they can do damage. Hazard Shield´s Realtime moniter is free and uses very little system resources.