Clean-up Your PC

By: James Hayes

Installing an application is an easy task for most users. But
what about uninstalling? Do you know how to completely remove an
application from your system? Did you know that most
applications leave permanent files or registry entries on your
system? In order to keep your system clean, you need to properly
install and uninstall applications. Correctly uninstalling an
application can ensure that it will not cause you any problems
in the future. The right way to uninstall software is definitely
not the delete key. And it's not always the familiar Add/Remove
Programs dialog. In many cases, you need to follow a series of
steps in order to completely remove a program from your system.

Many applications tend to leave permanent files laying around on
your hard disk. Your system does not need these files and so,
apart from wasting space, sometimes they may adversely affect
the performance of your system (e.g. an older version of a
library may cause compatibility issues with newer applications).
On the other hand, there are also programs that leave useless
registry entries on your Windows registry that can cause similar
problems. Using the following Windows tools, however, will
certainly help you in keeping your system cleaner and in better
shape!

Add/Remove Programs: This is the familiar application you can
find on your Control Panel. It is (obviously) the most important
tool that you use to remove an application. It is primarily
intended for applications that don't offer an Uninstall program
on their own as we'll see below. Most of the times however, it
can be safely used to uninstall these applications as well,
since their own uninstall program will be started by the
Add/Remove Programs dialog. It can be found at Start - Control
Panel - Add/Remove Programs

Uninstall Software: Many software applications offer their own
uninstall program. It can usually be found inside the
application folder on the start menu, just go to Start - Program
X - Uninstall. Just because they exist, these uninstall programs
doesn't mean the rid you of all the old and unnecessary files
the application might leave behind or any of the registry
entries.

Disk Cleanup: Although you will probably not see amazing gains
in terms of speed and storage space, Disk Cleanup can help rid
your PC of all kinds of useless files, temporary files or
shortcuts. It can be found at Start - Programs - Accessories -
Systems Tools - Disk Clean Up.

Program Files: It is often the case that removed applications
don't delete the folders where their executable or other files
used to live. Bear in mind, that this is not the only place an
application may have "forgotten" some of it's files. If it was,
things would be so much easier, but unfortunately many
applications tend to place files inside the windows/system or
other system directories and just leave them there. Still, it's
a good idea to delete the empty folders you may find in the
Program Files directory, which can be found at Start - My
Computer - C: - Program Files.

Registry Editor: You can use your registry editor to search for
entries created by an application you have decided to uninstall.
Applications also hold uninstall information in the registry, so
you should start searching and deleting registry entries only
AFTER you have actually uninstalled the application. The
registry editor does not exist anywhere in the start menu. You
have to run it yourself. Just go to Start - Run and enter
"regedit.exe" in the option box.

Alternatively, you can also use a registry cleaner, which is a
software program specifically designed for cleaning up your
registry.

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