Hi there! I understand your CQ4You app on your Mac running OS X 10.15.7 keeps requiring a restart to connect to the internet. That definitely isn’t ideal. I’d like to get a bit more info so I can guide you better.

- Does the app fail to connect after you put the Mac to sleep or after it’s been idle for some time?
- Are you connected via Wi-Fi or Ethernet?
- Does restarting the app alone help, or do you have to restart your entire Mac?
- Does your internet connection stay stable outside the app during these disconnects?

Meanwhile, here are some steps tailored for your situation:

1. Check Wi-Fi Environment:
Since you’re on Mac OS X 10.15.7, open the built-in Wireless Diagnostics tool by holding down the Option key and clicking the Wi-Fi icon in the menu bar, then select "Open Wireless Diagnostics." Run through the assistant to check if there are any Wi-Fi issues in your environment.

2. Restart Network Interfaces:
Instead of restarting your whole Mac, try turning Wi-Fi off and on again from the menu bar or going to System Preferences > Network, select Wi-Fi on the left, then “Turn Wi-Fi Off,” wait 10 seconds, and turn it back on. See if that restores CQ4You’s connectivity.

3. Check for App Updates:
Ensure your CQ4You app is the latest version, as sometimes bugs related to connection are fixed in updates.

4. Forget and Reconnect to Wi-Fi Network:
Go to System Preferences > Network > Wi-Fi > Advanced, select your network, and click the minus button to forget it. Then reconnect by selecting your network again and entering the password.

5. Check Firewall & Security Settings:
Sometimes security settings can block the app’s network access. Go to System Preferences > Security & Privacy > Firewall, and make sure it’s not blocking the app. If necessary, add it as an exception.

6. Renew DHCP Lease:
In System Preferences > Network > Wi-Fi > Advanced > TCP/IP tab, click “Renew DHCP Lease” to refresh your IP address.

7. Reset the app preferences:
Quit CQ4You, then find the app’s preference files under ~/Library/Preferences/ and delete anything related to CQ4You (make a backup first). Restart Mac and app.

If the problem persists after these, it could be related to how the app interacts with your Mac’s OS networking or possibly a firmware issue on the mixer if you’re using one. Firmware reinstall or update might be necessary in that case.

Could you try these initial steps and let me know what happens? Also, please share any patterns you notice about when it disconnects. That will help me drill down further.

Looking forward to helping you fix this!