proposal to create a new wallet. maybe the problem arose because before that I used and updated the portable version and this time installed through the Windows Installer. I used to update an empty wallet. and for the first time decided to update in a hurry non-empty.
Definitely sounds like the "portable" version was used originally.
In that case, you need to look where you had the portable.exe file... in that location you should find the "electrum_data" folder as mentioned by IeSua:
![](https://ip.bitcointalk.org/?u=https%3A%2F%2Ftalkimg.com%2Fimages%2F2023%2F11%2F15%2FzorqH.png&t=663&c=0gnDjQlc77G2mQ)
and in that folder you should see "wallets":
![](https://ip.bitcointalk.org/?u=https%3A%2F%2Ftalkimg.com%2Fimages%2F2023%2F11%2F15%2FzoLGg.png&t=663&c=t7ZdcgGW9gQ6Cg)
Once you find that... you can then either copy the wallet file from there to your "C:\Users\username\AppData\Roaming\Electrum\wallets" folder or you can just use the "File -> Open" option in your installed 3.3.8 version of Electrum to navigate to the wallet file in the portable "electrum_data" folder