Useful tools while working with your PC/Laptop

There are several tools that can be downloaded from the Internet. I think they are quite useful for repairing some particular errors, or maintaining your machine.
Here is the list of some tools.

• CCLeaner
• It is used for cleaning up your temporarily folder, some website history, cookies, etc.
• It could be downloaded from www.ccleaner.com.
  
• Regcleaner
• This another software to clean up registry.
• http://www.worldstart.com/weekly-download/archives/reg-cleaner4.3.htm.
  
• HijackThis
• HijackThis, used for troubleshooting on some computer issue, especially viruses and removing some startup list program that being used.
• Where to download? http://www.download.com/Trend-Micro-HijackThis/3000-8022_4-10227353.html
• SmitFraudFix
• Tools to cleanup some blinking spyware, normally on your system tray there will be blinking icon, and on some interval, there will be popup message. Use this tool to clean that up.
• http://siri.urz.free.fr/Fix/SmitfraudFix.exe

Those tools quite useful I guess, and will continue to update for anything new...........