Also, CCleaner cleans up files that have been created by background processes (like cookies and cache) which users do not manually delete. Since anyone with access to these files gains immense information about the user, deleting these files is the easiest way to prevent this. As such, CCleaner can assist in getting rid of cache files and browser cookies which store private data. This is hardly a concern nowadays, given that hard disks come cheaper with greater storage capabilities. The first use case this definition brings to mind is freeing up memory from the hard disk. Verdict:Ī thorough way to detect junk files, but beware - this isn't for beginners.CCleaner is a utility program which helps in getting rid of potentially unwanted files and invalid Windows registry entries from a computer. But even then, we'd recommend you check every file the program lists before you delete it, just to be sure you're not erasing anything important. CHK files, and you'll be safe from accidental deletions. In just one click you can tell it not to detect. CHK file can also be a database checkpoint that really shouldn't be deleted.ĭon't let this put you off Wise Disk Cleaner Free altogether, though. CHK extension is a scandisk remnant that can wiped, for instance, but a. The program assumes that anything with a. But the bad news is that it's slower, and there are risks involved, because identifying what can safely be deleted is very difficult. The good news about this approach is that Wise Disk Cleaner Free is very thorough, and can uncover junk that other tools might miss. Instead it searches your entire hard drive, looking for temporary or leftover file types. Unlike most of the competition, the program doesn't simply wipe the contents of predefined folders (recycle bin, temporary files, browser cache and so on).

And Wise Disk Cleaner Free can help by scouring your system, looking for junk files that can be deleted. Wondering where all your hard drive space has gone? There's a good chance you can get at least some of it back.

Wise disk cleaner for windows 10