Hi there! I understand you're having trouble with Blue Mail not syncing on your desktop and your emails aren’t loading. Let's work on fixing this together!

1. Check Your Internet Connection: First, ensure that your internet connection is stable. Sometimes, a flaky connection can cause syncing issues. Can you confirm that you're connected to the internet?

2. Blue Mail Status: Sometimes, there may be server issues affecting the service. You can check the status of Blue Mail online. Have you experienced any outages recently, or are you aware of any specific error messages popping up?

3. Account Sync Settings: Let’s check your sync settings in Blue Mail:
- Go to Settings in the Blue Mail app.
- Then navigate to Notifications and select the account that isn’t syncing.
- Review the Instant Push Settings. Make sure it’s set to either "Push" or "Fetch," depending on your preference.

4. Re-login to Your Account: Sometimes, simply logging out and back into your email account can resolve syncing issues. Have you tried this yet? If not, let me know if you need guidance on how to do this.

5. Check for App Updates: Ensure you're using the latest version of Blue Mail. If there's an update available, it could resolve existing bugs. You can usually check for updates in the application store or through the Blue Mail app settings.

6. Firewall and Antivirus Settings: Sometimes, security software can block Blue Mail from accessing the internet. Try temporarily disabling any firewalls or antivirus software to see if that resolves the issue.

7. Restart Blue Mail: Closing and reopening the app can sometimes help things reset. Have you given that a try?

If none of these steps help, I might need to explore a deeper solution or check for specific account-related issues. Please let me know how it goes or if there's anything particular you want to focus on!