I don't know what caused the slow speed of my PC and "cannot delete file" error before, and it is Registry Winner that helps me delete junk files and improves my PC speed.
-Johny
This tool is very professional. Using it, my PC speeded up highly. And what's more, it is very easy to manage. I like it.
-Mary
Deleting junk files had troubled me long time until I get here, your advices help me speed up my pc and I never meet with such problems again...Thanks
-Tom



If we want to keep our PC in a perfect condition, deleting junk files is not only a necessary work but also should be done frequently. The following are some manual ways to clean junk files. But they are not recommended, since it is very time-and-energy-consuming and can easily cause data loss or even system crashes. And more than just that, you would also in a risk of other PC troubles.
Some Disadvantages for Manual Ways:
Complex -- require certain related knowledge
Time-consuming -- need clean junk files very often
Delete by mistake -- deleting wrong files will affect computer performance
Delete incompletely-- lots of junk files cannot be seen by eyes
Windows XP: My Computer>>Tools>>Folder Options>>View>>Show hidden files and folders>>Uncheck the option "Hide protected operating system files"
Windows 7: Start>>All Programs>> Accessories>> System Tools>>Disk Cleanup (choose junk files you want to cleanup) >> Ok.
Windows Vista: Start>> Computer>>Organize>>Folder and Search Options>>View >>Show hidden files and folders>>Uncheck the option "Hide protected operating system files"
In the above cases, a professional tool is needed to clean junk files which can easily help you do all the hard work. Here, we recommend Registry Winner, just by free downloading and installing it, and then selecting the "Junk Cleaner" function, it will finish the scan in just one min, and all junk files will be found out and cleaned completely.
Besides this wonderful function to clean junk files, Registry Winner also provides lots of other PC optimization functions, such as, evidence cleaner, registry cleaner, system optimizer, service optimizer and memory optimizer, etc. With them, you can always keep your pc performance in a good condition.