PDF's Become pixelated when I click or scroll thru pages

Thanks so much, the issue has been fixed!
For convinience I copied the correct answer below.

Hi Amal,

I have just seen a post from MarkInFL with a solution that worked for me. This is from his post:  

"In Windows 10 64bit, I was also experiencing the blackened imaging, pixelating, etc., when I clicked on the .pdf image.
I also tried everything others tried. Here is the fix:
Right-click on your Acrobat Reader DC icon on the desktop or navigate to the AcroRd32.exe file in this folder
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader

Choose "Troubleshoot Compatibility." Tell the troubleshooter to run this program in Windows 7 compatability mode.

It now works perfectly. NOTE: AcroRd32.exe is a 32bit program -- that's why it's in the (x86) folder. For some reason, Win10 won't run it properly."

This worked perfectly for me I hope it works for you too.

Cheers

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Hi, how do you get it to "Tell the troubleshooter to run this program in Windows 7 compatability mode." 

Is this the file you right-click on?AcroRd32 - an "Application" file?

I don't see AcroRd32.exe in the Reader directory.

Regards

Brendan 

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right click the icon from desktop then it will show. I couldn't find that in folder either.