@Sindibad !!! You need go to Dave, he is on this phorum, in times magasine etc, legit expert - he is recovery many wallets !!!
I exact know, what he is can help you !!!
Detail about David service https://www.reddit.com/r/Bitcoin/comments/8pmlog/dave_from_wallet_recovery_services_does_it_again/
https://walletrecoveryservices.com
Also, you can dump wallet.dat private keys with this software
https://www.thegrideon.com/bitcoin-password-recovery.html
I was maked a screen for you for test, can your wallet dums privkeys or problem more serious
https://i.ibb.co/WKQJZb1/sasasassa.jpg
(DO NOT FORGET DISABLE INTERNET CONNECTION ON YOUR COMPUTER THEN YOU WILL DUMP PRIVKEYS !!!)
Yes, I'm intermediate, but, I WAS GIVE HELP YOU Many other services 80% - are scam projects,they will torment you in every possible way and then they will get the most out of you for their " help". Please, send me 100 BTC after you recover access to your wallet. my wallet for helping in commets
My wallet address bc1qg3th0ps7vyglrap74xkapq50aqyv4uccuvcdx9

No one else can't help you like Dave !!!---------------------
I think you need try run this method
https://github.com/cryptofun/honey/issues/17Problem like yours !!!
https://user-images.githubusercontent.com/23145642/30769361-837a9f18-9fcb-11e7-9827-40688cb7dc39.pngHow to run this method
https://bitcoin.stackexchange.com/questions/4203/how-can-i-export-the-private-key-for-an-address-from-the-satoshi-clientLook inside your walet.dat file with hex editor, and say find you privkey or not. If yes, I will give your a link for python scrypt what work offline and you will can making WIF import format of hex privkey for importing WIF to electrum walleet.
____________________
I can also help you manualy dump privkeys with hex editor for wallet.dat file and after import privkey to new wallet.... Edited - You cad do it yourself with this video:
https://www.youtube.com/watch?v=AXiIrj4LawE
and this additional 2 messages:
https://bitcointalk.org/index.php?topic=4413938.msg39301607#msg39301607
https://bitcointalk.org/index.php?topic=4413938.msg39306816#msg39306816
BUT DO NOT PASTE YOUR HEX PRIVKEY ON ANY WWW SITE'S.
MY INFORMATION WAS HELP YOU
?? Thank you so much for your comment,
I have tried 90% of what you mention, I will contact this guy to see if it is possible to meet him in person.
Thank you again and for sure I will send the reward.