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Hi Guys,

I have what i perceive to be a serious issue with my NAV wallet 32 bit windows version.

I recently purchased 4k + NAV on Bittrex, opened my NAV wallet (version 4.0.1) selected receive and copied to clipboard the address and subsequently sent the coins to my wallet. Although the transaction was verified on the blockchain the coins did not appear in my wallet. I noticed that there was an update and thought maybe that was why they didnt show so I backed up my wallet.dat and updated to 4.0.3 only to realize that the address I previously generated was not in my wallet file anymore! The address had changed on the receive tab AND the 'list old addresses' tab did not show the address either.

I replaced the wallet.dat file with the previous one I had backed up but it was the same thing.

Public key is as follows: NNrAcPd21zfMd26Kd4k75bs5nHen8QqTvu

Can anyone help?

Have u tried to resync the entire blockchain?

Just made a fresh install of the 64bit wallet on another computer, address is nowhere to be seen.
I can only think that the address was not actually created until you generate a new address and since I updated prior to doing this the address was changed.
Can anyone verify that statement?

Blockchain reloaded,
Sadly NAV still missing.
Anyone have any ideas what I can do or are they lost?

If you know how to run the wallet from the command line, try launching the wallet with the flags -rescan and -repairwallet.
Rescan will will attempt to re-check the blockchain for all prior transactions in your wallet.
Repairwallet will attempt to fix the wallet file.

If neither of those work, and you are certain you have the correct wallet file, there are tools such as pywallet that are able to recover working and partially corrupted wallet files.

Here is the github repository to pywallet: https://github.com/jackjack-jj/pywallet

It does have a web UI once you're able to launch it, so it's not too difficult to use.

Thanks for the tip. I'm not sure the wallet file is actually corrupt though. I had a receiving address and sent NAV to that address. I subsequently backed up my wallet.dat and updated to 4.03 from 4.01, upon opening the new wallet the receiving address had changed and the one I sent the NAV to was gone (doesn't even show up as a previous address). All prior addresses remained unchanged. I don't know if I can recover it. Maybe if i install 4.0.1 again? Where can I find that?

One of the developers should have an archive of the 4.0.1 wallet. I would recommend contacting one of them.