How to perfectly uninstall ARO 2012


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How to perfectly uninstall ARO 2012

  1. 1. How to Perfectly Uninstall ARO 2012At one point or another, this happens to every computer user in the world: You install ARO 2012,find out that you dont like it, or need it, or that its plain useless for the task you wanted to use itfor and you want to uninstall ARO 2012. So you open up the Windows Add/Remove tool, click thebutton to uninstall ARO 2012... and find out that you cannot uninstall the program. In this article Iwill try to explain how to force uninstall ARO 2012, that you cannot uninstall using the WindowsAdd/Remove tool. Before that, however, I will try to explain what happens during installation.What you need to know to uninstall a program manuallyThere are several things that happen during the installation of a program.First, of course, is the copying of files to the specified program folder (which is usuallysomewhere inside the Program Files folder). Also some files such as shared libraries (.dll files) canbe copied into a folder inside Program Files called Common Fi les and some files such as drivers orshared libraries (again) are copied into the ‘WINDOWSSystem32 and‘WINDOWSSystem32drivers folders.After that the installer makes some changes inside the windows registry. The windows registry isa unified place where all the settings for programs and for windows itself are stored. The installercan make changes inside the registry for several reasons. For example if a shared library needs tobe registered. Or if certain types of files need to be associated with the program being installed,so that the user could open them (e.g. if you install Microsoft Word, then you will be able to openMicrosoft Word documents). After this is done, a key is added to the windows registry in a placewhere the Windows Add/Remove tool looks for installed programs. During the installation all
  2. 2. these operations are logged in a special file (e.g. setup.log), and the installation program usuallyputs that file inside the applications folder along with the uninstaller. When a user tries t oremove ARO 2012 through the Add/Remove tool, windows looks for the registered uninstallerinside the registry, and executes it. The uninstaller goes through the log file and undoes all thechanges done during installation. That is, it deletes all the files that have been copied, all theregistry keys the installer created etc.However, if there is no log file, or if there is no record of the changes made to the registry theuninstaller might fail to uninstall ARO 2012, and it will stay there untill it is removed by othermeans.So if ARO 2012 wont uninstall, how do you perform a force uninstall?Well, if you know how to work with the windows registry, you probably can perform a manualforce uninstall.Before I go into detail about how to do this manuall y, Id like to say that this is pretty advancedstuff, and if youre not a power user, then perhaps you should consider using specialized softwaresuch as the uninstall tool which allows you to do this in just a few clicks.If you are a power user, then lets continue. First, lets see how to remove the program from thelist of installed programs. To do that you need to open the registry browser:Click Start and choose Run in the menu (If youre using Windows Vista then press Win+R on yourkeyboard).Type regedit and hit Enter.On the left side is the registry settings tree, use it to go toHKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstallInside that key youll find a lot of keys that belong to different programs. Some are named afterthe programs name, others as a mix of numbers and letters that makes no sense. Look througheach of them until you find one that has the key DisplayName (on the right) with your programsname in it.Notice the key UninstallString - this key points to the uninstall program, and the log file usuallyresides in the same folder as that program.If you delete the key in which youve found the DisplayName key with the value equal to yourprograms name, then your program wont appear on the Add/Remove programs list.Some programs create new entries in the registry to store their configuration options, theseentries can usually be found in the HKEY_CURRENT_USERSoftware or inHKEY_LOCAL_MACHINESOFTWARE - look for the program name or the name of the company
  3. 3. that made the software. Dont delete Microsoft though - that contains Windows settings as well.