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Junk files are simply files that are left behind by a program. When you open a certain program, it needs to create files for you to be able to use them and access them in a much faster time. But the problem is the fact that not every program or application written has the capability of collecting their “trashes” when you close them. Thats why a,lot of their junks are accumulated inside the hard drive. This will eventually build up to a massive amount of junk files. Naturally, having them just littering inside the hard drive will slow down the whole computer system because the memory will be working much harder. Eventually, if you do not take these files, it can cause your system to crash. Now that would be much harder to fix and with all your important data lost.
