Can't see images or attachments in Outlook 2011

I'm a new mac user with Outlook 2011 installed. I depend on it for business. All of a sudden I can't see my attachments. jpegs, pdfs, etc. You can see theres' a paperclip attachment from the sender, but when opening the email, or clicking on the attachment, there's nothing there. This happened overnight. Everything worked great over the past 3 days. I feel like I'm losing my mind. I also get vendor emails with rich html images. Upon opening those emails, the bar shows up that says: To protect your privacy some pictures in this message were not downloaded. When I click the button to download the images nothing happens. I also have a picture (jpeg) on my signature that went away. Any help with fellow outlook users would very much be appreciated!