Android Studio error: cannot connect to daemon

Usually that’s caused by the WinNAT service, restarting which solves the issue.

Just open the Command Prompt or PowerShell as Administrator, and type the following commands there:

net stop winnat
net start winnat

And wait a bit for the Android Studio to reconnect to the ADB.

P.S. If it doesn’t reconnect, just type the following commands to restart the ADB:

adb kill-server
adb start-server

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