Cannot open database ''. It may not be a database that your application recognizes, or the file may be corrupt.

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I have the following connection string using ado.net
String ConectionString=@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=D:\Data.accdb; Jet OLEDB:Database Password=mypassword;"

I faced the problem
Microsoft.ACE.OLEDB.12.0 is not registered on local Machine

I solved it By installing 64 version of the Microsoft Access Database Engine 2010.
And edit Build Properties to x 86
But it never worked so I had to install 2007 Office System Driver :Data Connectivity components
When I installed the last one the problem disappeared
But I faced a new problem

Additional information: Cannot open database ''. It may not be a database that your application recognizes, or the file may be corrupt.

That is my problem now any help please?
The three solutions I followed are found in this amazing vedio
https://www.youtube.com/watch?v=uzLA_z7tDPs

sorry i forgot the most important information which is iam using microsoft office plus 2013 and i installed AccessRuntime_x64_en-us for office 2013 but it never works too

Posted 17-Dec-14 1:41am

oula alsheikh

Updated 20-Dec-14 19:55pm

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KM Perumal · Answer 1 · 2014-12-17T01:46:00

Solution 1

ACE.oledb.12.0 dosen't work in the 64-bit os

download patch from

XML

<a href="http://www.microsoft.com/en-us/download/details.aspx?id=13255">http://www.microsoft.com/en-us/download/details.aspx?id=13255</a>

Posted 17-Dec-14 1:46am

KM Perumal

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Maciej Los 17-Dec-14 8:03am

Form OP question: "I solved it By installing 64 version of the Microsoft Access Database Engine 2010."
Please, read the question carefully.