These third-party programs aren't really "uninstallers", they're more like
"installation monitors". They sit in the background during a program
install, recording all actions taken by the installer, so later you can use
the software to completely reverse the changes made during installation.
In theory there should be no need for such programs since any uninstall
routine should both know what the installer did and be prepared to back out
all changes made but in reality not all uninstallers actually do so.
--
Richard G. Harper [MVP Shell/User]
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"Stephen Saw" <> wrote in message
news:388949B3-4096-4CC5-AF05-...
> Hi,
>
> I noticed there are few uninstaller application, such as Uninstaller 2008,
> Perfect Uninstaller, Revo Uninstaller, etc, which claim by them that they
> able to completely unistall the software we installed, including the
> registry, and other leftover by that software.
>
> Are these software safe to use for long run? I had a problem before, which
> using some registry cleaner, it messed up my registry and some files, and
> I
> had to restore my Windows Vista.
>
> Thanks and Regards,
> Stephen Saw