Fatal Error: Acrobat failed to connect to a DDE server. I have 3 separate clients who have this error when they open PDF documents. I have already tried: - Repair the install - Remove and reinstall - Check for updates/run updates - Change the AcroviewA18 key in the registry - End the duplicate adobe tasks in task manager and reboot - Disable antivirus Still no luck! Please advise a fix for this error?! ... View more