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Acrobat未能连接到DDE服务器,Solved: Acrobat failed to connect to a DDE server - Adobe Support Community - 954...

冯阳华
2023-12-01

I have searched the forums and tried everything listed in the other posts.

1. Repair the installation

2. Turn off Enable Enhanced Security

3. Check registry entry and change to AcroViewR18

4. Check file association is set to Adobe Reader or Adobe Acrobat

What I have discovered is :-

a. Only some PDF documents have the issue however when you open a "problem" document you cannot open any further PDF documents

b. Problem documents for me have mainly been related to finance systems generating the PDF.

c. When opening the "problem" document I only get a blank page with nothing displayed or Acrobat failed to connect to a DDE server. Printing the document results in a render of the document and display the PDF on the screen; however multiple copies of Adobe RdrCEF are started. Closing the document results in one copy of Adobe RdrCEF closing but Adobe Acrobat Reader DC process being left running.

d. Any attempt to open another document spawns multiple copies of Adobe Acrobat Reader DC even if you only click once to open the document.

e. End tasking the Adobe Acrobat Reader DC processes one at a time will suddenly terminate all of them and the Adobe RdrCEF processes so I am guessing this is the problem process.

f. Switching the PDF file extension to Chrome works fine and all documents including the problem document can be opened.

I tried to log a support call with Adobe but gave up after 45 minutes on the phone trying to get through to them.

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