This tutorial explains a possible solution how to open a pdf file in Acrobat Reader when you get the error: There was an error opening this document. Acces denied.
![](https://usercontent.one/wp/www.ict-pedia.com/wp-content/uploads/2023/04/ar1-1024x517.png?media=1679149463)
- Open Acrobat Reader and click: Edit
- Select: Preferences
- Select: Security (Enhanced)
- Uncheck Enable Protected Mode at startup
![](https://usercontent.one/wp/www.ict-pedia.com/wp-content/uploads/2023/04/ar2.png?media=1679149463)
- Click: Yes
- Click: OK