My Keypass is on a microchip which I use on my laptop running Windows 8.1.
Last night I put the chip in my Android tablet running 4.1 and it showed the keypass files but they would not open. Duh.
This morning I put the chip back in my laptop and the Keypass files do not appear.
The Keypass files seem to be in Lost Docs folder but they will not open in the usual manner. With a text reader the usual file says [amongst a lot of code] something about "cannot open in DOS mode."
QUESTION: How can I regain access to my passwords???
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Sounds like you were attempting to run KeePass.exe on your Andriod and it wasn't happy, unsurprisingly. KeePass.exe is a Windows only program, you need something like KeePass2Android on your tablet. Then you open the database with it.
Databases are ordinary files, usually with a KDBX on the end. Do you have one of those on your chip? If so you should back it up immediately - to a location other than the chip, Documents on your PC is a good place. Put the chip aside for the time being.
Now install KeePass on your PC and use it to open the backup of your database. Let us know how it goes.
cheers, Paul
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Thanks for your reply.
It doesn't seem to work.
First, I see no file on the chip with KDBX. I copied (same as backup?) the most obvious file to the laptop. That file is named "13092" with no extension; I assume it is the database because it is the largest of the files there in Lost Docs folder. When I look at properties it shows it is a keypass file but it has no extension - it just says file. The icon is a blank piece of paper.
When I installed keypass and tried to open that document, keypass doesn't even recognize it among documents on the laptop.
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I followed your instructions and low and behold the usual window appeared to enter the master password. Alas, after entering the pw it then says 'invalid /corrupted file structure" and then a long error # - the one ending in "D" This was the largest file of the 5 which I assume is the database.
Last edit: John Grimes 2017-01-22
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KeePass will always show the master key prompt so you need to try every file, not just the largest - do not make any assumptions.
Non KeePass files will give you an error of "the file signature is invalid".
Any other error probably means is is a KeePass file but is corrupt.
You can attempt to recover data from a corrupt file thus:
That doesn't work for me either. I'll let it go and apply to each individual entry [there were only about a dozen thus far] to change my passwords again. I wish KP had made it more obvious to someone like me that I needed the Android add-on or app or whatever in order to avoid this problem when it says you can save the whole thing to a chip or flashdrive.
I don't have a backup of database. Does b/u mean simply copying the database file to some other place? Then how do you open it if need be? How do you make updates?
As you can tell this is all new to me. Just trying to stay abreast of the advancing digital age.
Thanks for your replies and tries.
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KeePass can't really tell you what programs will or won't run on what system, but the Help does tell you how to run it on systems where it will run.
A backup is simply a copy of your files. You should not save any data to your computer without a backup because computers fail, are stolen, get wet, etc.
See the backup wiki for information on backing up your database. https://sourceforge.net/p/keepass/wiki/Backup/
cheers, Paul
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My Keypass is on a microchip which I use on my laptop running Windows 8.1.
Last night I put the chip in my Android tablet running 4.1 and it showed the keypass files but they would not open. Duh.
This morning I put the chip back in my laptop and the Keypass files do not appear.
The Keypass files seem to be in Lost Docs folder but they will not open in the usual manner. With a text reader the usual file says [amongst a lot of code] something about "cannot open in DOS mode."
QUESTION: How can I regain access to my passwords???
Sounds like you were attempting to run KeePass.exe on your Andriod and it wasn't happy, unsurprisingly. KeePass.exe is a Windows only program, you need something like KeePass2Android on your tablet. Then you open the database with it.
Databases are ordinary files, usually with a KDBX on the end. Do you have one of those on your chip? If so you should back it up immediately - to a location other than the chip, Documents on your PC is a good place. Put the chip aside for the time being.
Now install KeePass on your PC and use it to open the backup of your database. Let us know how it goes.
cheers, Paul
Thanks for your reply.
It doesn't seem to work.
First, I see no file on the chip with KDBX. I copied (same as backup?) the most obvious file to the laptop. That file is named "13092" with no extension; I assume it is the database because it is the largest of the files there in Lost Docs folder. When I look at properties it shows it is a keypass file but it has no extension - it just says file. The icon is a blank piece of paper.
When I installed keypass and tried to open that document, keypass doesn't even recognize it among documents on the laptop.
I would expect your database to be around 10k. All you can do is copy all the files to your PC and attempt to open each one.
KeePass doesn't "recognise" any files, it just attempts to open whatever file you tell it to.
cheers, Paul
Last edit: Paul 2017-01-21
I followed your instructions and low and behold the usual window appeared to enter the master password. Alas, after entering the pw it then says 'invalid /corrupted file structure" and then a long error # - the one ending in "D" This was the largest file of the 5 which I assume is the database.
Last edit: John Grimes 2017-01-22
KeePass will always show the master key prompt so you need to try every file, not just the largest - do not make any assumptions.
Non KeePass files will give you an error of "the file signature is invalid".
Any other error probably means is is a KeePass file but is corrupt.
You can attempt to recover data from a corrupt file thus:
cheers, Paul
p.s. do you have a backup of your database?
Last edit: Paul 2017-01-23
That doesn't work for me either. I'll let it go and apply to each individual entry [there were only about a dozen thus far] to change my passwords again. I wish KP had made it more obvious to someone like me that I needed the Android add-on or app or whatever in order to avoid this problem when it says you can save the whole thing to a chip or flashdrive.
I don't have a backup of database. Does b/u mean simply copying the database file to some other place? Then how do you open it if need be? How do you make updates?
As you can tell this is all new to me. Just trying to stay abreast of the advancing digital age.
Thanks for your replies and tries.
KeePass can't really tell you what programs will or won't run on what system, but the Help does tell you how to run it on systems where it will run.
A backup is simply a copy of your files. You should not save any data to your computer without a backup because computers fail, are stolen, get wet, etc.
See the backup wiki for information on backing up your database.
https://sourceforge.net/p/keepass/wiki/Backup/
cheers, Paul