Unfortunately, CCleaner Portable offers no capability to undo changes, so you must be very sure about what you want to erase before clicking on the 'Yes' button. Apart from freeing up disk space, it also enables you to uninstall applications, find broken registry keys, and list all the programs set to run when Windows launches. For instance, the possibility to keep certain cookies that can possibly be useful for you or the ability to add custom file types to the delete filter. Its configuration menu, on the other hand, features interesting options. It's a software solution that helps you get rid of many different files such as Internet cookies, temporary files, log files, or all those leftovers found after months of installing and uninstalling applications. Regarding its functions, it does a highly satisfactory job just like its original program. This portable version does create some necessary keys in Windows Registry, but these are deleted when the program is closed, so there will be no trace of it left on the system, as well. Simply run it from your USB memory stick and you'll have immediate access to all of its features.

In fact, you don't even need to install it. The great advantage of CCleaner Portable is that it enables you to experience the same functions offered in CCleaner, but without leaving any evidence of use on the computer.

It is the pocket version of CCleaner, an excellent cleaning utility tool with which you can erase unused files to gain back valuable free disk space and make your Windows desktop run faster and smoother. Many applications have developed special versions for these devices, usually known as ‘portable.' One of them is CCleaner Portable. As USB sticks and other flash memory drives increase in storage capacity, so does their popularity as software repositories.

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