In Windows
ManageEngine QEngine can be uninstalled through the OS Control Panel Add
/ Remove Programs option as well as 'Start menu->Programs->ManageEngine
QEngine->Uninstall QEngine' option.
In Linux
ManageEngine QEngine can be uninstalled by removing the directory containing
the files and directories extracted during installation. At the command
prompt, type rm -rf ManageEngine/QEngine
to successfully uninstall QEngine.