User would receive an Security Block similar to the image below.  Resolution: In Adobe Acrobat Reader Click on Edit Click on Preferences Select 'Trust Manager' on the left Click on 'Change Settings...'  You will view a windows that looks like this: Select debcobag.com from the list and press 'Delete'  in the text block enter www.debcobag.com and click 'Allow'  Windows should appear like this with "Always allow" next to www.debcobag.com  Click OK and your done !

Issue:  The window appears to be frozen when trying to generate a proof.  Solution: Use Alt+Tab to scroll though the various open windows until you reach the security warning and then approve the security warning. Long term resolution: Open Adobe Acrobat Distiller   Click File , then click prefrences In the security section, put a checkmark for "Trust all files opened via Acrobat Distiller" 

To change the default PDF reader, you will need to perform the following steps: 1. Right click any PDF file that you have saved to either your Downloads, Desktop, or Documents folders. Select Properties from the menu 2. Click the Change button next to Opens with: 3. Select Adobe Acrobat Reader DC from the list of programs (or another program if you prefer) 4. Click OK to apply the settings change 5. Click OK to apply and close the PDF file properties window You're default PDF reader is now set to Adobe Acrobat Reader (or other program of your choice.)