Please consider this approach...
For one computer with Premiere Elements 11 Windows, from the appropriate tabs (Tools/Movie Menu; Titles & Templates; Graphics....) in the Expert view workspace, download for those thumbnails with the blue band at the top right corner of the thumbnails.
Local Disc C
and then make a copy of the Online Folder now complete with assets (expected Folder Size about 5 to 6 GB) and transfer that Online Folder to a USB Flash Drive.
Go to each of your other computers and replace its Premiere Elements 11 Online Folder (see route above) with the one on the USB Flash Drive.
Please review the plan and let us know if that worked for you.
Are you working in Windows 7 Professional 64 bit using the Folder Option "Show Hidden Files, Folders, and Drives" selected.
If not, type in Folder Option in the Search above Start. Folder Options/View Tab/ and scroll through list of options until you get to "Show Hidden Files, Folders, and Drivers".
I have Windows 7 Professional SP1 64 bit, so I know it is there. I just re-checked what I wrote above to confirm path posted. It is correct. Are you selecting Program Data, and not Program Files or Program Files (x86)?
I will be watching for further developments.