[pianomanharry]

Years later... If anyone reading this still needs help. I am running Windows 10.

1. I have Pro Tools shortcut on my desktop so I right click on the shortcut and go down and click "PROPERTIES".
2. Click the "COMPATABILITY" tab.
3. Click down the bottom where it says "Change High DPI Settings".
4. At the bottom where it says "High DPI scaling override", make sure that "Override high DPI scaling behavior" is checked and make sure the drop down box says "Application". Click OK.

That did it for me. :)