How to Fix LG TV Smart Apps Crashing

By Rob · Editor, Tech Problem Solved

This guide is a practical, ordered fix for TV Smart Apps Crashing on LG Smart TV running Smart TV OS. Start with the least destructive checks, then software repairs, and only then a backup-and-reset. Each numbered step includes a simple diagram so you can match what you see on screen. LG smart menu trees vary by year and region. If a path differs on your LG Smart TV, open Settings and use the on-screen search or Support menu.

Who this guide is for

• Primary device: LG Smart TV
• Software family: Smart TV OS
• Brand: LG

Editor notes before you start

• This guide is written for LG Smart TV on Smart TV OS. Sister LG models are often similar, but menu labels can move after an update — use Settings search when a path differs.
• We keep these guides intentionally focused: fewer pages, clearer steps, and honest stop-points before unsafe hardware work.

What you will need

• 10–15 minutes without rushing
• Your device passcode / password
• A spare HDMI port or cable if picture issues persist

Before you start

• Save any open work on LG Smart TV if the device is still responsive.
• If you have not backed up recently, start a quick cloud backup before deeper resets.
• Work through the steps in order; skip ahead only if a step clearly does not apply.

Symptoms

• Apps close immediately after opening or freeze mid-use.
• Crash reports or “Keep stopping” messages appear repeatedly.
• Reinstalling one app helps briefly, then crashes return after an update.

Common causes

• Corrupt app data
• Permission problem
• Needs reinstall or update
• OS-level restriction

Step-by-step fix

1

Force-stop and clear cache

Fully quit the app (via the task manager), rename its preferences if you know how, or repair/reinstall from the official store.

2

Check permissions and battery restrictions

Confirm Camera, Mic, Local Network, Notifications and Background permissions for the app. On Android, set Battery usage to Unrestricted for apps that must stay connected.

3

Install available updates

Install updates from Settings → Support → Software Update (or About → System Update). Stay on power/Wi‑Fi until the process finishes.

4

Reset the related setting (not the whole device yet)

Power-cycle the HDMI chain: TV off → unplug Stick/source → unplug TV for 2 minutes → reconnect HDMI firmly → power TV first, then the Stick.

5

Deeper isolation before erase

Test in safe/guest mode if available, or with a second user profile. Decide whether the fault is hardware-like (always) or software-like (after updates). Keep a short note of Settings changes so you can undo them.

6

Last resort: backup then reset

Back up first. Use Settings → Support / General → Factory Reset only if earlier steps failed. Set up LG Smart TV cleanly, confirm the fix, then bring data back in stages.

What success looks like

The affected app opens, stays open, and completes a basic task (sign-in, play, save) without crashing.

Prevention tips

• Keep Smart TV OS and key apps updated.
• Restart the device weekly if you leave it on for days.
• Stop DIY if you smell burning, see liquid damage indicators, or the chassis is swollen.

When to get professional help

If LG Smart TV still has no picture on multiple HDMI cables/ports, or the TV shows backlight failure (very dim grey glow), further software resets will not fix panel or power-board faults.

FAQs