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Possible Duplicate:
Why is uninstalling programs on Windows so slow?

What do the uninstallers do throughout the uninstalling process?

Uğur Gümüşhan
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    If life was only so simple. . . – surfasb Nov 26 '11 at 18:54
  • possible duplicate of [Why is uninstalling programs on Windows so slow?](http://superuser.com/questions/89705/why-is-uninstalling-programs-on-windows-so-slow) also see [Why do Windows Installers (.msi files) take so much longer to uninstall than other installers?](http://superuser.com/questions/43740/why-do-windows-installers-msi-files-take-so-much-longer-to-uninstall-than-oth) – Ƭᴇcʜιᴇ007 Nov 26 '11 at 20:33

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They delete registry entries, etc. Besides, MSI also saves uninsstall data in case the uninstall fails or is cancelled.

kinokijuf
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