Samsung TV & Audio QN65QN90CAFXZA 65" Class QN90C Neo QLED 4K Smart TV APP CRASH Error Fix: App Freezes or Crashes

Error code APP CRASH on the Samsung TV & Audio QN65QN90CAFXZA 65" Class QN90C Neo QLED 4K Smart TV means: App Freezes or Crashes. Streaming app freezes, crashes to Tizen home screen, or becomes unresponsive. Force-close: press Home, navigate to app, press and hold Select, choose "Close." Clear app cache: Settings → Support → Device Care → Manage Storage → select app → Clear Cache. Delete and reinstall from Samsung App Store. Update app and TV firmware. If multiple apps crash, insufficient free memory — uninstall unused apps. Factory reset: Settings → General → Reset (PIN: 0000).

The most successful fix is "Reinstall App and Update Firmware" (medium difficulty, ~30 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 ("Reinstall App and Update Firmware") is rated medium difficulty and takes about 30 minutes. Tools needed: .

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

The Samsung TV & Audio QN65QN90CAFXZA 65" Class QN90C Neo QLED 4K Smart TV has 8 other known error codes, including: 2 BLINKS (Power Supply Board Fault), 5 BLINKS (LED Backlight / Driver Protection Shutdown), 6 BLINKS (Main Board / T-CON Communication Failure), ANYNET FAIL (Anynet+ (HDMI-CEC) Not Working), ARC NO AUDIO (ARC/eARC No Audio to Soundbar), and 3 more.

Error code APP CRASH also appears on 4 other Samsung TV & Audio models: QN55LS03BAFXZA 55" Class The Frame QLED 4K Smart TV, QN65Q80CAFXZA 65" Class Q80C QLED 4K Smart TV, QN65S90CAFXZA 65" Class S90C OLED 4K Smart TV, UN55CU8000FXZA 55" Class CU8000 Crystal UHD 4K Smart TV. The fix may vary by model, so check each model's specific page for tailored repair steps.