Okay, I have this sorted now. These are the steps it needs, should it happen to anyone else.
1. Click on the "Finder" icon. Select the "Applications" folder
2. Open the "Utilities" folder and select "Terminal"
3. Type the following.
sudo nano /private/etc/hosts
4. Enter the OS user's associated password when prompted
5. If any entries in the host file include keywords such as "ims" or "adobe," please delete those entries.
6. Press control+o to save the file
7. Press control+x to close the file
8. After the nano dialog closes, type the following in the Terminal window and hit the "Return" key
dscacheutil -flushcache