General solutions for issues with LINE (e.g. not starting or crashing)

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If you're having issues with the LINE app, such as suddenly becoming unable to use a feature, or the other issues listed below, please try the troubleshooting tips.

Useful info

If an issue with LINE is caused on our end, we will post a notice about it under Announcements on our Help center. Please check there for details.

If you contact us through the Inquiry Form, our response may be the same as this Help article. If you are having issues with LINE, please try the troubleshooting tips first.

Common issues and error messages
Issues with the LINE app:
• The LINE app won't start
• The LINE app crashes in chats or on other screens

Examples of error messages:
• Unfortunately, LINE has stopped
• LINE is stopping repeatedly
• LINE has stopped
• Connection error

Troubleshooting tips
After confirming that your device meets the recommended system requirements for LINE, please try the following troubleshooting tips based on the device you're using.
Note: The names in your settings and the order of these steps may differ depending on your device.

Smartphone/tablet
• Restart your device by turning it off and on.
• Update LINE.
• Clear the LINE app's cache.
• Delete any unnecessary apps and data, and clear the cache on your device and SD card.
Note: The LINE app may not operate properly if you don’t have sufficient free space on your device. Make sure you have at least 2 GB of free space on your device.
- iPhone: Tap Settings > General > About and check Available.

- Android: Tap Settings > Storage.
• Turn your 4G/5G/Wi-Fi off and on again.
• Check or disable any web limiting or filtering services you may have in place.

iPhone/iPad
• Update your device's OS.
• Offload the LINE app.

Android
• Update your device's OS.
• Remove and then re-insert your SD card.

Useful info

If the issue persists after trying the tips above, it may be resolved by uninstalling and reinstalling the LINE app. By following the instructions in Reinstalling the LINE app, you'll be able to transfer your data, including your chat history and friends, and open LINE again.

PC
• Restart your device by turning it off and on.
• Uninstall and reinstall LINE, then restart it.

Windows/Mac
• Update your OS.
- Windows: Click Settings > Update & Security.
- Mac: Click System Settings > General > Software Update.
• Delete any unnecessary apps and data on your device.
• Temporarily disable any firewalls or security software you have in place, or allow LINE to connect to the internet.
• Disable any resident or customization software, such as WindowBlinds.

Chrome
• Update the Chrome browser.
Note: If you're using Chrome OS, try updating the OS as well.
• Stop all applications running in the background and disable browser extensions.
• Delete your cache and browsing history.

See also:
I'm not receiving notifications/I don't hear notification sounds or ringtones
Information on transferring LINE accounts and resolving transfer issues
I suddenly became unable to use OpenChat
I suddenly became unable to use a feature