Lance Stewart

"The only similarity between your issue and the original poster's ..." The timing of the OP and my issue coincided (chronologically), ergo your assertion is false and hence the posting of my issue, which i only later determined to be coincidental. Further, my original reply incorrectly assumed a commonality in the cause of the failure to open the file (I briefly missed the part of the OP header, I'm old so that sort of shit happens, realized my error after posting, but found I could edit but not...

Sorted it out. I keep the db file in dropbox, used the rewind to earlier version function to restore the file to yesterdays version and voila, problem solved, phew

Anyone else having this problem in the last 24 hours? Any solution? i use keepass every day so the issue has occurred in the last 24 hours. V is current 2.55 and was updated to 2.55 soon after it came out. I am able to open a datafile from 2022, but not the current one. The issue is described as The File Signature is Invalid and the explanation on the keepass help is "The file's signature is invalid. This means that the file is corrupted and/or not a file that KeePass can read.." I tried the open...

I have the same issue but its file signature not master key - i use mine every day so the issue has occurred in the last 24 hours. Mine is also 2.55 and was updated to 2.55 soon after it came out. I am able to open a datafile from 2022, but not the current one. The issue is described as The File Signature is Invalid and the explanation on the keepass help is "The file's signature is invalid. This means that the file is corrupted and/or not a file that KeePass can read.." Hoping it can be fixed or...

I have exactly the same issue but i use mine every day so the issue has occurred in the last 24 hours. Mine is also 2.55 and was updated to 2.55 soon after it came out. I am able to open a datafile from 2022, but not the current one. The issue is described as The File Signature is Invalid and the explanation on the keepass help is "The file's signature is invalid. This means that the file is corrupted and/or not a file that KeePass can read.." Hoping it can be fixed or i will be in a world of hu...

I have exactly the same issue but i use mine every day so the issue has occurred in the last 24 hours. Mine is also 2.55 and was updated to 2.55 soon after it came out. I am able to open a datafile from 2022, but not the current one. The issue is described as The File Singature is Invalid and the explanation on the keepass help is "The file's signature is invalid. This means that the file is corrupted and/or not a file that KeePass can read.." Hoping it can be fixed or i will be in a world of hu...

I have exactly the same issue but i use mine every day so the issue has occurred in the last 24 hours. Mine is also 2.55 and was updated to 2.55 soon after it came out. I am able to open a datafile from 2022, but not the current one. The issue is described as an Invalid File Header and the explanation on the keepass help is "The file's header is invalid. The file could be corrupted, could have been created by a newer KeePass version, or could not be a KeePass file at all." Hoping it can be fixed...