You need to recover from seed. Don' t install electroncash in the same computer as electron, i suggest to don' t use election cash at all.
Instead, follow this tutorial:
https://blog.btc.com/how-to-recover-your-trapped-bitcoin-cash-from-other-wallets-24b929543f26I have some help thread opened for people having problem claiming their bcc, I'm becoming an expert, if you need feel free to PM me.
If you want to tip:
Btc:16Hy2dMNeqZwa4vcS7UBX1HJmHNFAvmxM2
Bch: 1G4f9axBLvDtNmdAjgULVsz5zhq7HU6pNB
But using an ONLINE wallet like that one...putting your private keys or seed there...kind of dangerous in general I'd say, even if they say at their site that it's "secure", don't you think ?