They are usually caused by a misconfigured firewall. These error messages are generated by Windows. If the problem still persists, check your firewall configuration settings. If you’re experiencing one of the above problems, check the internet connection: turn your router off, wait 30 seconds and then turn it on again, move closer to the router for a better connection or try using an Ethernet cable and connect directly to your ISP. The most common reasons why these AnyDesk errors may occur are: slow or unstable internet connection disconnected from the AnyDesk network and an improperly configured firewall.
Please make sure that AnyDesk is running on the remote computer and it is connected to the internet.
Often users complain about the following problems: