Register cleaner is a term that some people use when they probaby mean registry cleaner.
Windows has a component, called a registry, that is used to store information about
the configuration of a PC.
Adding a program to your PC causes an addition to the registry.
A hacker can take over your system by getting a program added to the startup
section of the registry. The methods of altering the registry
are well known and relatively easy to do.
You can manually edit the information in the registry with a program
from Microsoft, called RegEdit. Since the registry is set up
in hierarchical manner, like the disk on your PC, it displays
the same way, as when your use File Explorer or perhaps My Computer.
At system reboot time you also choose which programs to start by
using another Microsoft utility called the System Configuration program,
or MSConfig.
So Windows has information in the registry about the system and programs
loaded on your machine. Does that mean it is a static file?
No, as your system operates Windows and the running programs insert,
delete, and update information in the registry. Running programs,
and Windows too, use the registry to keep of all sorts of information.
Programs use the registry as a memory between invocations. But just
as I am sometimes forgetful, so are programs. They forget to remove
information from the registry when they are done. And when you take
a program off your PC the uninstall program drops the ball now and then too.
So a spring cleaner is in order and you need a register cleaner, or in other
words, a registry cleaner to clean up the mess.
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