Hi there! I see you're experiencing an endless connection or infinite loading on the home screen of the OPTC Index app. That can definitely interrupt your experience. To help you better, could you tell me:

- Are you using the app on Windows with WebKit browser, right?
- Have you noticed if this happens all the time or only sometimes?
- Have you tried any troubleshooting steps yet (like restarting the app or switching internet connections)?

Meanwhile, I can guide you through a few steps that usually help with loading issues like this:

1. Check Your Internet Connection: Sometimes switching between Wi-Fi and mobile data (if applicable) or restarting your router can clear connection glitches.

2. Clear Cache and Cookies: Since you’re on WebKit browser in Windows, try clearing your browser cache and cookies, as corrupted temporary files can cause loading problems.

3. Restart the App/Browser: Close the app or browser completely and then reopen it. On Windows, ensure no background processes of the app are running by checking Task Manager (Ctrl+Shift+Esc).

4. Update the App/Browser: Make sure your browser and the OPTC Index app (if standalone) are both updated to their latest versions.

5. Check Firewall/Antivirus: Sometimes firewall or antivirus settings block certain app connections. Temporarily disable them to test, but be sure to re-enable afterward.

6. Try a Different Browser: If possible, try accessing the app on a different browser to see if the problem persists.

If the problem still continues after trying these, we can dig deeper into account settings or network diagnostics. Let me know which steps you've already taken and how things look on your end!

I am using a mobile phone, cleared the cache and restarted the application, the error persists.

Thanks for the details! Since you're on a mobile phone, have cleared the cache, and restarted the app but the endless connection issue on the home screen still persists, let's try a few more focused steps:

1. Switch to Wi-Fi if on Mobile Data (or Vice Versa): Sometimes mobile data networks can have restrictions or temporary glitches that cause connection issues. If you are on mobile data, try connecting to a reliable Wi-Fi network, or if you're on Wi-Fi, try switching to mobile data and see if the app loads properly. This has helped others with similar issues before2.

2. Reboot Your Phone: A full reboot (turning it completely off and then on) can sometimes resolve network or app-related locks that a simple restart might not clear.

3. Check for App Updates: Ensure the OPTC Index app version is the latest one available on your device’s app store. Sometimes loading issues come from outdated versions.

4. Clear App Data (More Thorough Than Cache): On Android, go to Settings > Apps > OPTC Index > Storage > Clear Data. Note that this might log you out or reset some settings, but it can fix corrupted state issues causing endless loading.

5. Reinstall the App: If clearing data doesn’t help, uninstall the app completely and reinstall it fresh from the official source.

6. Check for Device or OS Restrictions: Some phones have battery optimization or background data restrictions for apps; make sure OPTC Index is allowed to use data and run in the background.

If you still face the issue after these, there could be a server-side problem or compatibility glitch needing a bug report to the developers. Would you be comfortable trying these and letting me know where it stands? We’ll get this fixed for you!

Switch to Wi-Fi if on Mobile Data did not help. There are no updates, rebooting did not help. And if I clear my data or reinstall the app, my achievements won't be saved.

Thanks for sharing more information. I understand you’re concerned about losing your achievements if you clear data or reinstall the app, which is definitely important to preserve.

From what I’ve gathered, sometimes the endless connection issue can be related to network or server hiccups. A few users have reported similar issues where switching networks didn’t help, and the app just kept loading endlessly1.

Here are some tailored options that might help without risking your saved data:

1. Check Server Status or Known Issues: It’s possible there’s a temporary server problem affecting connections. Sometimes the official OPTC forums or community pages post updates about this. If it’s a server-side issue, it would explain why switching networks or rebooting does not help.

2. Ensure Your Authentication or Login Session Is Still Valid: Try logging out and back in if possible, without clearing app data. Some apps have a way to refresh your session that can resolve endless loading issues.

3. Check App Permissions: For the app on your phone, make sure OPTC Index has all necessary permissions enabled (like network access and storage), since insufficient permissions can cause hangs.

4. Contact Support or Report the Issue: Since you want to keep your achievements safe, the best step might be contacting OPTC Index support directly. They might have solutions or can verify if this is a wider issue. According to the OPTC community, this is a common step for unresolved connectivity problems.

If you want, I can help guide you through where to find official support channels or community forums where you can report this issue securely.

Would you like help with that? Also, do you recall if your login or account credentials are linked to an external service (like Google or Apple) that might help with backups? That could be helpful in case a reinstall becomes necessary later on.