Client apps won't start after 10.4 permissions change

What exactly are these permissions changes in 10.4 supposed to do? We’ve had some successful auto updates from 10.3 but manual installs are seriously broken.

We can see that the folders %program_data%/Thinkbox/Deadline10/workers/[machine name] get a permission change such that nobody can open it, or do anything with it, not even system admins. The folders have no owners and nobody has any access rights. Deadline can’t write to it so workers won’t start. Our IT company can’t figure out what’s happened to them, nor figure out how to even delete them to start over.

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Yeah, I had that issue when deploying 10.4 clients. Previously I could just deploy new versions over the top.

Unfortunately, not even uninstalling deletes that folder. I had to change permissions (owner) on that folder to manually delete it first.

Now you can install 10.4 and it should work.