Hi. I have recently updated from 2016 to 2016 SP2 and my rebuilt installer always crashes during "Removing Backup Files" on installation and uninstallation. I have experimented a bit and it seems that this only occurs when User Interface Type is New Style (Requires Windows Setup 4.5). Is this a new bug introduced in 2016 SP2? I am able to replicate it by just creating a similar project and setting it to New Style. On the flip side, I tried changing the style to Traditional Style and the redistributable pre-requisite is not working correctly. I set 2015 x86 and .net 4.5 and the prompt no longer appears when I run the new installer with these 2 pre-requisites missing (This issue seems to be replicable on one device though). This works on New Style but fails on traditional style (skipped in this style). Some details: Project contains 2 languages (English and Japanese) I used some Installscripts to run scripts before file copying is done (no issues on this side) Project is Windows Installer Basic MSI Project. Thanks!
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