Problem
When you try and open PDF files in Adobe Reader X, it says “Insufficient data usage” or “Out of memory”.
Cause
This is a bug present in an old version of Adobe Reader X.
Solution
In Adobe Reader X, on the top menu, click on Help > Check for updates to update to the latest version.
my version is up to date and I still get “out of memory”. now what
What I do is go to [Internet Explorer – Tools – Manage Add-ons – All Add-ons] and Disable Adobe PDF Reader, so it doesn’t try to open PDFs in Internet Explorer.
Sometimes it doesn’t show up in that lis, so you need to hunt for it.