Question: how to manually uninstall nxlog?
Answer: Uninstalling with msiexec. Uninstall NXLog using msiexec with the following command: ...  Uninstalling via Group Policy. For Group Policy deployments, follow these steps: ...  Remove the Traces of NXLog. After uninstalling NXLog there will be some traces left in the Windows Registry. ...  Uninstalling With the uninstall-x64. bat Script.