As noted in the patch notes for v1.1.9, this version actually aimed to fix the "missing plugins" error. If you are running this specific version and still getting the error, you likely need to apply the "Unreal Engine Redistributable" fix mentioned above.
The most common cause for an instant crash to desktop (CTD) on version 1.1.9 is a missing or broken Unreal Engine 4 redistributable package.
I can provide step-by-step instructions tailored exactly to your setup.
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If your copy of Hello Neighbor fails to boot or displays a black screen instantly, your profile configurations or local user data may be corrupted.
Here is a breakdown of exactly what version 1.1.9 changed: