Validation: `The specified executable is not a valid application for this OS platform.`

I have been *very rarely* seeing this error from both the Validation Pipelines, as well as my own approval VMs. This Issue is to track these and hopefully resolve.

Start with the Validation Pipelines and approval VMs mentioned in the issue, then review the available occurrences of the executable validation error. Determine a reproducible cause or diagnostic path for the intermittent failure, and confirm that the identified issue is resolved in both validation contexts.

Written by the indexing model from the issue text.