Vnc Unable to licence server: & quot; XML error 0: 0 Error:

Vnc Unable to licence server: "XML error 0: 0 Error: First Tag not found" SOLUTION
Vnc server is installed on windows. daily access is normal, and suddenly one day cannot be accessed. There is no way to uninstall and reinstall. However, after the reinstallation is found, a dialog box will not pop up automatically prompting you to enter the registration code. Manually trigger "Enter VNC Server license code" and prompt "XML error 0: 0 Error: First Tag not found ". After the investigation, it was found that the service windows event log was not started. However, after being manually started, the system finds that the startup fails and reports error 4201. After this error occurs, delete the C: \ Windows \ Logs and C: \ Windows \ System32 \ LogFiles files and restart them. However, C: \ Windows \ System32 \ LogFiles seems to be unable to be completely deleted due to process occupation. So the free tool Unlocker1.9.2.0 is found online. After installation, you can delete the corresponding folder. After the restart, the problem is fixed.