LG TV & Audio 75NANO75UQA 75" Class NanoCell 75 Series 4K Smart TV APP CRASH Error Fix: App Freezes or Crashes

Error code APP CRASH on the LG TV & Audio 75NANO75UQA 75" Class NanoCell 75 Series 4K Smart TV means: App Freezes or Crashes. Streaming app freezes, crashes to home screen, or becomes unresponsive. Close app (press Home, long-press app, select Close). Clear app cache: Settings → Apps → select app → Clear Cache. Delete and reinstall from LG Content Store. Check for app and WebOS firmware updates. If all apps crash, may have insufficient memory — uninstall unused apps or factory reset.

The most successful fix is "Perform Factory Reset and Manage Installed Apps" (medium difficulty, ~45 minutes). This fix costs nothing. HomeMD has 2 community-ranked fixes for this error.

This error is rated low severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Yes — the top-ranked community fix ("Perform Factory Reset and Manage Installed Apps") is rated medium difficulty and takes about 45 minutes. Tools needed: TV remote control.

DIY cost: $0. Professional repair typically costs $100-$150. Many homeowners save money by trying the top-ranked community fix first.

The LG TV & Audio 75NANO75UQA 75" Class NanoCell 75 Series 4K Smart TV has 8 other known error codes, including: AUDIO SYNC (Audio Out of Sync with Video), BACKLIGHT BLEED (Backlight Bleeding / Clouding), BACKLIGHT FAILURE (LED Backlight Strip Failure — No Picture), BACKLIGHT STRIP FAIL (LED Backlight Strip Physical Failure), BANDING (Horizontal or Vertical Banding), and 3 more.

Error code APP CRASH also appears on 6 other LG TV & Audio models: 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV, 86QNED80URA 86" Class QNED80 4K QNED MiniLED Smart TV, OLED55B3PUA 55" Class B3 4K OLED Smart TV, OLED65C3PUA 65" Class C3 4K OLED evo Smart TV, OLED65C4PUA 65" Class C4 4K OLED evo Smart TV, OLED65G3PUA 65" Class G3 4K OLED evo Gallery Edition Smart TV. The fix may vary by model, so check each model's specific page for tailored repair steps.