Unless you are pressed for disk space, un-check the box. From what I
understand, compressing files in that manner can cause problems when you
need to access those files. Clean-up is only listing what it "thinks" you
really don't need to have at ready access.
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.