What Are Junk Files?

After the computer is used for a period, you must have the feeling that it cannot run as fast as the beginning, which is because in its hard disk, lots of junk files have been accumulated.
All the work you do with a computer, such as install & remove program or browse cyberspace, will leave junk files on the computer. & far hard disk space has been occupied by them so that the computer runs slower & slower.
Then what are junk files on the computer?
1. The Temporary File Which Is Produced When You Install a Program Application.
When a program application is installed, it will unzip its installation file to a temporary listing first, usually the temp listing under the folder of Windows. If the program is designed with some bugs or the operating method is not so ideal, temporary files will become junk files on the computer permanently. They often exist in the kind of *.tem.
2. The Temporary File Which Is Produced by the Running Program.
The same with the installing method, some temporary swap files will be produced when program is running. The junk files left by some running program may even reach several hundred bits. For example, some backup files existing in the kind of *.old & *.bak were produced by some programs & some produced by some anti-virus program or produced when method program check the disk.
3. Some Files Which Stay on Your Computer When You Uninstall the program.
When program is uninstalled, in the hard disk of the computer, lots of file folders & files existing in the kind of *.dll will be remained which definitely will become junk files. Some green hands in operating the computer often uninstall the program by deleting the whole file folder, which will leave more junk files like *.ini & *.dll on the computer. Then in the registry, lots of discarded files were remained, which influences the method greatly.
4. The Temporary File Which Is Produced When You Surf the Net.
When you browse cyberspace, the Explorer always download some html files on your computer. These files not only occupy the hard disk space but also disclose our personal privacy. Don't you think them annoying?
Then do you know the way to remove all of these disgusting junk files to speed up your computer? As for me, I use the program of registry cleaner. Every time when I play on the computer, the registry cleaner program will run in the background. Now you can find lots of tools of this kind on the market.