Hi! I see that Fishdom tries to open but then closes immediately on your Windows device. Let's work through this together to get it up and running again.

Here’s a step-by-step approach you can try:

1. Restart your device
Sometimes a simple reboot clears temporary glitches affecting the game.

2. Check for game updates
Make sure your Fishdom app is updated to the latest version. An outdated version might have bugs causing the crash.

3. Update your Windows system
Keeping your OS updated ensures compatibility with apps and can fix underlying issues.

4. Clear Fishdom cache or data (if applicable)
Though it’s a web-based version on your WebKit browser, try clearing your browser cache and cookies for the site running Fishdom. This removes any corrupted temporary files that might cause crashes.

5. Try reinstalling Fishdom
If you are running Fishdom as a standalone app, uninstall it completely and download it fresh. If you’re playing in a browser, clearing cache and trying a different browser might help.

6. Check firewall and antivirus settings
Sometimes, security software can block the game from running properly. You might want to temporarily disable them to test if Fishdom opens.

If after these steps Fishdom still crashes on launch, please let me know which method you’ve already tried and any error messages you observe. We can then take a deeper dive into advanced troubleshooting or check for issues on the server side.

Would you like me to guide you through any of these steps in more detail?