windows 7 doesn't suppot DSOfile

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Hi,
I have a windows application which uses Excel files attributes.
Using DSOFile.dll.

When running the application in Windows 7 - we get this error:

System.Runtime.InteropServices.COMException (0x80040154): Retrieving the COM class factory for component with CLSID {58968145-CF05-4341-995F-2EE093F6ABA3} failed due to the following error: 80040154.

Which means the registry is missing DSOFile.OleDocumentProperties

Any suggestions?

Thanks.

Posted 27-Oct-12 22:58pm

Member 8021019

Updated 28-Oct-12 3:07am

André Kraak

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Thomas Daniels · Answer 1 · 2012-10-27T23:25:00

Solution 1

Try to register the DLL file with regsvr32.exe[^]

You need to run it as administrator to register the DLL.

Posted 27-Oct-12 23:25pm

Thomas Daniels

Dave Kreskowiak · Answer 2 · 2012-10-28T04:15:00

Solution 3

DSOFile is a 32-bit only .dll. Make sure your app is compiled to target an x86 CPU, not AnyCPU. This can be found in your Project Properties, Build tab.

Posted 28-Oct-12 4:15am

Dave Kreskowiak

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Member 8021019 29-Oct-12 1:52am

someone replayed that i should register with regasm …dll
but then I get an error:

failed to load c:\....\DSOFile.dll because it is not a valid .NET assembly.

Now what?

Thanks.

Dave Kreskowiak 29-Oct-12 7:55am

REGASM only works with .NET assemblies. DSOFile.dll is not one of those.

I already you what the most common problem is using DSOFile on a 64-bit machine.

Member 8021019 29-Oct-12 8:01am

i know it is a problem
but now my application is using the dsofile and i need it should work also on 64 bit machin.
what can i do about that?
thanks.

Dave Kreskowiak 29-Oct-12 8:06am

I REALLY hate it when people don't listen. I ALREADY TOLD YOU WHAT TO CHECK.

Member 8021019 29-Oct-12 8:09am

Sorry I didn’t tell you ,
But I compiled the project to X86-
And the problem still exist.

Dave Kreskowiak 29-Oct-12 9:43am

That helps. Now, are you trying to use Office 2007 files?? If so, you'll have to install the Office Compatibility Pack, found at http://www.microsoft.com/en-us/download/details.aspx?id=3

If you're trying Office 2010 (and above) files, DSOFile will not work.

Member 8021019 · Answer 3 · 2012-10-28T00:34:00

Solution 2

Thanks for replaying.
I registered the DLL like that:
Open the run and enter regsvr32 and the DLL path-did you mean doing that?

It still doesn’t work
This problem happens only in windows 7
On windows XP machine- it works file.

Posted 28-Oct-12 0:34am

Member 8021019

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André Kraak 28-Oct-12 9:07am

If you have a question about or comment on a given solution use the "Have a Question or Comment?" option beneath the solution. When using this option the person who gave the solution gets an e-mail message and knows you placed a comment and can respond if he/she wants.

Please move the content of this solution to the solution you are commenting on and remove the solution.
Thank you.

Thomas Daniels 28-Oct-12 10:17am

Then, try to register the DLL with Regasm.exe