My Acrobat Cannot Connect To The Server And Gives Acrobat Error DDE Server
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If Acrobat is busy doing another task and in between other Acrobat is launched for the different task, then it gives Acrobat error to connect to DDE server with a description ‘A running instance of Acrobat has caused an error.’
The methods to fix the error code are as follows:
Method 1: Quit Acrobat and kill the previously running Acrobat
Step 1: Quit Acrobat.
Step 2: Hold down Ctrl + Alt + Delete together to open Task Manager.
Step 3: Right-click on Adobe Acrobat, then click on End Task.
Step 4: Close Task Manager and launch the application to check the error is resolved or not.
Method 2: Repair Acrobat
Step 1: Launch the Acrobat application.
Step 2: Run repair from within Acrobat: Choose Help >> Repair Installation.