what is "removing backup files" installation step

Posted by mfeingold on Stack Overflow See other posts from Stack Overflow or by mfeingold
Published on 2010-05-24T20:14:12Z Indexed on 2010/05/24 20:21 UTC
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Windows

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installer

In many windows installers the last step is called "removing backup files".

I understand that to provide transactional integrity of the install process some "backup files" could've been created and have to be cleaned up.

What I do not understand is why on many occasions this step takes considerably longer than the rest of the installation.

Any idea why?

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