Hi SaOk, thank you for your purchase. Hopefully we’ll get this sorted quickly.
A frozen simulation means that the plugin is having trouble loading/locating the VICODynamics physics library DLLs. (You should have an error in the logs stating that)
Few questions:
What UE4.19 version are you using? From the launcher or from GitHub?
What plugin version are you using? Launcher or GitHub?