unknown database format in access database -

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i have ms access database, have edited in both access 2007 , access 2010, worked great months , have alot of data in tables. application uses still works, can't open database manually more. error "unknown database format" , "the visual basic applications project in database corrupt". when click ok on dialog access trys repair db , when done error "id not index in table".

at moment have tryed open copy of databas, since can't have original databas not working. how long application work? or problem when opening in access? , ofc, how solve it?

use undocumented -decompile switch in command window. make backup first! access' native compact & repair not fix problem of time. http://support.microsoft.com/kb/819780

alternatively, can create new, empty db , copy tables, queries, forms, etc... it.


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