I have FireBird 1.0 installed and I got file.GDB about a month ago.
I can open this file with IBAdmin 3 all right. But when I got the
latest database (some filename, structure - the difference only some
table have been added new records), I couldn't open this with
IBAdmin anymore. I tried with IBAccess and IBView, there had same
error following this:

IBView version 1.01u error:
ISC ERROR CODE:335544323
ISC ERROR MESSAGE:
file c:\ZETALABDB\ZETALABSTRY9.GDB is not a valid database.

IBAccess error:
file c:\ZETALABDB\ZETALABSTRY9.GDB is not a valid database.

IBAdmin error:
file c:\ZETALABDB\ZETALABSTRY9.GDB is not a valid database.

I even tried on other machine that have only Windows 2000 installed,
but it still gave me same error.

Its error right away when I tried to open database. I can't even see
the list of table name. A user permission is already Administrator.

But when I tried all those software with the first database I had,
it's work fine and open it nicely, no problem.

Could anybody help please?

CM