Anyone who owns an LG smart TV must inform all guests and family members that they are being monitored – this is required by LG’s current terms of use. Meanwhile, LG monitors install potential malware and surveillance software on a connected Windows computer.
You can search for it by the appx name and then use a pipe to remove the package. Then you don’t need to worry about specific version numbers:
Get-AppxPackage -Name ‘LGElectronics.LGMonitorApp’ | Remove-AppxPackage