172.4.7555-28
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no longer uninstall before installing
improving package code

157.4.4801-25
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Putting Dropbox Service back to auto start (use disable_autostart_dropbox_service to avoid it)
Dropbox now start with Windows since it is the default behavior (use disable_autostart_dropbox to avoid it)
No longer kill app in install() so it will probably run pop on install/update
x64 binary have been tested but it remains a x86 app
