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Click on the red dot or synchronization icon in the bottom-right corner and check if your 'Proxy' settings are intact. You might need to enable it and configure it so that Electrum could connect to other servers via Tor.
Thanks BitCryptex,
to configure how? I tried to choose between different servers, none of them worked.
But now it's not a problem, since it has the latest version - it's online.
The problem is that my 2 transactions are not visible in the wallet on Tails (where it was transferred to)