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Unfortunately, that is not a supported application:How to report problems with Sandboxie
A few ideas: create a new Sandbox with default settings and re-test there, perhaps that works. Otherwise, you may need to reach out to the vendor for workarounds, if any. And to see if they allow it to run in a isolated environment.
Barb@SophosCommunity Support Engineer | Sophos Technical Support Knowledge Base | @SophosSupport | Sign up for SMS Alerts If a post solves your question use the 'This helped me' link.