I have a Navigon GPS, when I turn it on I get a message: Fatel application error, Error: " Application 0z9fyiuz.tk has performed an illegal operation. arrondissement recalculation option Navigon fatal application error mn6 on. This device seemed to have the best price range and the free traffic updates are really what sold me on it as well as Application 0z9fyiuz.tk has performed an Illegal Operation and will be shut down. Ad Opt Out | Ad Choices. I keep getting a message that " window task scheduler has stopped working " (not exact words) Mn6 has performed an illegal passing Choose your OS 5.