DB corruption error on net

Dear friends, I am getting error in login process file when I am trying to logon by using my user name& pswd. I am using DSN less connection for to connect to DB and getting following error, can anybody of you can help me to solve that. PLs. reply me ASAP at stf@khi.compol.com

Error :
Error Type:
Microsoft OLE DB Provider for ODBC Drivers (0x80004005)
[Microsoft][ODBC Microsoft Access Driver] Cannot open database ‘(unknown)’. It may not be a database that your application recognizes, or the file may be corrupt.
/loginprocess.asp, line 11

Browser Type:
Mozilla/4.0 (compatible; MSIE 5.0; Windows 98; DigExt)

Page:
POST 41 bytes to /loginprocess.asp

Thanks