Although CCleaner Portable is a great tool it does in fact leave residual files in your registry HKEY_CURRENT_USER\Software\Piriform\CCleaner. Of particular note is the UpdateKey which contains... More
CCleaner Portable is the best free file cleaner around and is portable so you don't have to install it on your computer. It cleans very well for a free app and even has a registry cleaner built in.... More
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