Since you don't have Kleopatra there, I tend to believe you didn't verify Electrum. It's usually a good idea to verify it before install/run.
Another thing: if it's a big amount of coins, I would not keep the wallet (the one with seed/keys) on a computer that goes online. Better overly safe than sorry. Learn about cold storage, really. The cold storage stays always offline, and you need a companion watch only online wallet (on a different system). This page could help.


I have Ledger. It's easy to use, but it's closed source and had problems leaking people's addresses. They look now unprofessional to me and I wish I didn't buy this one.
Bitlox I don't know, sorry (and since it advertises Bluetooth I'm also not interested).

Right now I have my eyes on something more flexible: SeedSigner. But it's a DYI wallet and although you can buy all the parts together from certain shops, I think that it's still you who has to assemble it. Another one that sounds good to me is Coldcard.