[wix-users] System registry key started showing up in our MSI

[Hoover, Jacob]

Any custom actions?  Have you inspected a known bad MSI with orca?

Windows Installer isn't going to nuke a key if it isn't referenced in the authoring, which is why I suspect a CA or you are invoking an exe/script on uninstall that may be causing this behavior.


From: wix-users <wix-users-bounces at lists.wixtoolset.org> On Behalf Of Dennis Costello via wix-users
Sent: Friday, December 3, 2021 12:23 PM
To: wix-users at lists.wixtoolset.org
Cc: Dennis Costello <dennis.costello at prudential.com>
Subject: [wix-users] System registry key started showing up in our MSI

We have been using a wix project to build our deployment for several years now and very recently we started experiencing a problem with machines not being able to boot after our system was uninstalled. After several days of investigating it was found that our uninstall was removing the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinSock2\Parameters\WinSock_Registry_Version registry key, thus disabling Windows completely. We do not have any references to this key, nor have we had this problem prior to about 2 weeks ago. We haven't made any code changes to our wix project since early August and that was a very minor change. We build and test our system daily so we know that this just started happening very recently, but here's the kicker for us, it doesn't happen every build! The same compile machine is used for every build, but using Orca I do not see the Registry entry in every msi!

We are at a complete loss as to where to even begin to figure out what is going on. I could say some how the registry key is being picked up from the compile machine, but it doesn't happen every build. Any help would be greatly appreciated.

Thank you!

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