"Screen Recording" in LG Android
Use adb to disable the app. And download a trusted  screen recorder.
For installed apps:
adb shell pm list packages should list all the packages on your device. Then use adb shell pm disable &lt;package_to_disable&gt;
to disable an installed app.
For system apps:
For system apps just the disable command is different  adb shell pm disable-user --user 0 &lt;package_to_disable&gt;
if you want to see the disabled apps use adb shell pm list packages -d
Take a look at this https://www.xda-developers.com/disable-system-app-bloatware-android/