EPM error while opening PDF document
Adobe Acrobat Doesn’t Support IE’s Enhanced Protected Mode (EPM) while opening documents in internet explorer
Documents do not open from internet explorer because EPM is enabled
Either install latest version of Adobe Reader or disable EPM
EPM is enabled in adobe Preference settings as a result adobe reader opens with below error.

For Adobe Reader
- Launch Adobe Reader/Acrobat Reader DC
- Choose Edit> Preferences or use keys (Ctrl + K)
- Select the option General from the list on the left
- Uncheck the option Enable Protected Mode at Startup

For Acrobat Reader DC
- Launch Adobe Reader/Acrobat Reader DC
- Choose Edit> Preferences (Ctrl + K)
- Select the option Security Enhanced
- Uncheck the option Enable Protected Mode at Startup

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Adobe/ Acrobat Reader
Operating System Windows 7/10