I am having trouble launching the app. What should I do?

First, ensure that your internet connection is stable. Additionally, try restarting your device to address any potential issues. Then, try the following troubleshooting steps:

For Windows devices:

1. Make sure cookies are turned on. If you are using Edge as your default browser: Go to edge://settings/content/cookies.
2. Make sure JavaScript is enabled. If you are using Edge as your default browser: Go to edge://settings/content/javascript. 
3. Clear cache of your default browser. If you are using Edge as your default browser: Open Edge browser > Settings > Privacy, search & services > Under Clear browsing data, "Choose what to clear" > Select all check boxes > "Clear now".
4. Relaunch the app to see if the issue is resolved.

For Android devices:

1. Clear cache. Go to Android Settings > Apps > Goodnotes > Storage > Manage storage , then tap on “Clear & reset” button.
2. Relaunch the app to see if the issue is resolved.

If the issue persists, please contact our Support Team for further assistance.