NSIS_UNINSTALLEXE AND NOT Installed (NOT UPGRADINGPRODUCTCODE) AND (REMOVE="ALL") (SCHEDULE_REBOOT=1) OR NOT (UILevel=2) $(var.AppIcon) $(var.AppHelpLink) $(var.AppInfoLink) 1 1 WIXUI_EXITDIALOGOPTIONALCHECKBOX = 1 and NOT Installed Removing previous installation Trying to terminate application process of previous installation Removing sync folders from Explorer's Navigation Pane NOT (LAUNCH=0) (NO_SHELL_EXTENSIONS=1) (NO_START_MENU_SHORTCUTS=1) (NO_DESKTOP_SHORTCUT=1)