Is clean uninstall really necessary in all cases? If I forcefully remove the loose leftover pieces (after running uninstall) via btch/vb/.ps1, will it be wrong? or does it always has to be a logic run from installer or executable.
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That's why I like 'proper MSI's', they take away what they put down. (be careful with CustomActions)

If an application creates files at run time (like logs or crash reports) they will be left behind. sometime they might be useful. There is also the User based files, I generally leave them, the MSI only removes the files for the person un installing, yes you can use black magic to go through all the users profiles, but really, why??

 

In the MSI you can use the removefile table to remove *.* from a folder like INSTALLDIR. Again be careful....

I am sure someone has done that for ALL of their packages, then had to create an MSI that puts a single file in the Windows folder. You can imagine what happens when that is removed.
Such a funny IT joke... I can hear the laughter....

Answered 06/28/2014 by: Badger
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Usually, the installer/exe does a fair job to clean up, but in some cases and in different environment you might want to use a script to clean the leftovers.

AK
Answered 06/18/2014 by: 786_ak
Second Degree Green Belt

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If application has some shared resources in that scenario we can ignore clean uninstallation of application.
Answered 06/19/2014 by: ron123
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I view the Installer clean up the same way as I regard indigestion tablets; I don't take them after a meal unless I've got indigestion. Usually the installer cleans up properly but sometimes e.g. ISScript, Sentinel Protection can sometimes leave stuff behind.
Answered 06/19/2014 by: olditguy
Second Degree Blue Belt

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