Adobe Acrobat XI Pro 버전 사용도중 "acrobat failed to connect to a dde server" 팝업창 발생과 함께 프로그램 꺼짐현상
It moved from The Lounge to Acrobat General Troubleshooting by Mod.
Sorry for the delayed response and inconvenience caused. As per the description above, you are getting DDE server error with Acrobat Pro 11, is that correct?
Please check for any pending updates of Acrobat from help>check for updates, reboot the machine after installing the updates, and see if this brings any difference.
You can also refer and try the solutions from the following Adobe article Fatal error - Acrobat failed to connect to a DDE server
Note: Acrobat 11 is already declared as an end of support product, End of Support means that Adobe no longer provides technical support or distributes runtimes. This policy affects product and security updates for all derivatives of a product or product version (localized versions, minor upgrades, operating systems, dot and double-dot releases, and connector products).
For detailed information, please refer to End of support for Adobe Acrobat XI and Reader XI
Let us know how it goes and share your findings.