Solutions Learn More Through Courses. Experts Exchange Solution brought to you by Enjoy your complimentary solution view. Get this solution by purchasing an Individual license! Start your 7-day free trial. I wear a lot of hats LVL It is not totally clear which problem you try to solve by switching off DDE. DDE is used only for finding and controlling running instances.

group policy - GPO to configure Excel ? - Server Fault

You should always be able to start Excel manually in multiple instances. It should always work to open sheets if done in Excel itself. So I guess your issue is only with clicking on files in Explorer? Thank you so much for your reply.

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My final purpose is to open multiple excel files in multiple instances. The checkbox for "Ignore other applications that use Dynamic Data Exchange DDE " has long been associated with problems launching Excel by double-clicking a file. In extreme cases, Excel will launch with an empty husk where the file should be.

can't open (excel) files

Excel's File Open dialog should still work, though. These problems first started occurring when Excel was the latest and greatest spreadsheet wrangler. Some people reported a registry tweak that permitted the DDE checkbox to co-exist with opening files from emails or by double-clicking them. If I want to view two files at the same time, I do so by opening them in the same instance of Excel and then using the View Arrange All menu item to show them.

Download the guide. Your link discussed a lot on the issue. It seems changing registry is a good way. Some one changed registry for the issue successfully. Do you think so?

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Ignore Other Applications Alternately, the registry key controlling this behavior is: HopelessN00b HopelessN00b Got the downloads. THank you. Should these be extracted into the domain server's c: Obviously, assuming US, English.

Word & Excel - There was a problem sending the command to the program

Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks. Windows 7: Windows 7. I am using Windows 7 and Excel I believe the issue occurred at the same time I installed AVG antivirus. You can get to that option in excel by clicking on; -Office icon at the top left in excel -Excel options at the bottom right -Advanced from the selections on the left bar -Scroll down to General - Untick 'Ignore other applications that use Dynamic Data Exchange DDE ' Hope this helps as I tried to be as detailed as possible.

OS Windows 7.

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Windows 7 Home x Hello, Welcome to the Forums! Sounds like an Excel issue, and not a Windows issue. Can you remove Excel and reinstall it? Windows 7 Enterprise Edition x A little additional information on this, this can be controlled by GPO or a registry change. This setting is also known to cause Excel and other documents to not open by double clicking them.

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  4. But opening the application by means of a start menu or shortcut to the application and then doing a File Open for the document will work. See attached screen shots, this works for all versions of Windows and Office or The registry entries will only exist if a Group Policy Administrative Template was used. But if it isnt there, you can create the keys and entry and it will resolve the problem. Big important note on this policy as you will see in the screen shot of the registry, the registry setting is opposite to what you are use to most likely.

    How to fix the "there was a problem sending the command to the program" Excel error.