The process does not take a long time if you defrag the hard disk drive on a regular basis. The defragmentation procedure moves the different parts of a file or program and regroups them in a single location. This causes the program to take a longer time to launch than if the entire program was entirely in one location.
This leads to a bloated registry, which slows down the booting time of your computer too.Ĭan you imagine what can happen if you have uninstalled many programs that may have left empty spaces in the HDD, and try to install new software? It will write itself in multiple areas of the HDD’s platter, leading to a massive slowdown when you try to launch the program.įor example, the read head of the HDD might have to five or more different locations of the HDD to gain access to the information required to launch the program. If this is not enough, many programs leave unnecessary entries in the Windows registry even after the program has been deleted. This slows down the speed of the computer as the drive head has to read different areas of the HDD to complete reading a program and launching it. When the size of the free space is not enough to install the new program, it searches the HDD for the next empty space and writes the remainder on it. The next time you install a new program, it looks for the first empty space in the HDD and writes on it. Therefore, when you uninstall them, some parts get erased from the HDD while other parts remain. Its information is deleted from the `table of contents and the file is marked as “ok” to write over.Īpart from this, most uninstall executives of programs do not function as they should. When you delete a file, the file itself does not get deleted.
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