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i lost both things, password and seed in electrum. is there a way or someone can help me to crack or brute-force to login again in my wallet? i have 1.4 btc, i can pay 0.4 btc for crack my seed and password .
thank you

Why not recover the wallet without other services for safety but if you want there are some well-known but I don't know if how safe their service is.
Here's their website walletrecoveryservices.com

You can check their announcement thread from here https://bitcointalk.org/index.php?topic=240779.0

Or recover your wallet using the BTCrecovey tool (https://github.com/gurnec/btcrecover) you can recover the password without the help of other services.
It may take days if you have a slow PC but if you have a good GPU rig maybe you can get your password in less than a day depending on how many characters in your password or if you remember some parts of your password.

You can find the Electrum wallet file under this path
Make sure you have copy of this wallet file incase bad happens in your wallet file you can use it as your backup in the future.

I already replied to OP in another thread, but for the sake of completeness, the GitHub you have linked to has not been updated in 3 years. There is a fork of this software available here (https://github.com/3rdIteration/btcrecover/) which is kept up to date, supports more wallets, supports new wallet updates, has more features, and is optimized to run faster.

You could try using:

1. JohnTheRipper script to extract password hash (https://github.com/openwall/john/blob/bleeding-jumbo/run/electrum2john.py)

and

2. HashCat (https://hashcat.net/hashcat/) to try and bruteforce the password.

However, unless you have a relatively good idea of what the password was, how many characters long it was, and a relatively decent GPU, trying to bruteforce it could take quite a long time.