Hello CBarrett17,
Thanks for the question, and welcome to Apple Support Communities.
The following article outlines the exact symptoms you described, along with a potential resolution:
iTunes: Missing folder or incorrect permissions may prevent authorization
http://support.apple.com/kb/TS1277
Symptoms
[…]
- You are told that you do not have permission to modify your iTunes Media folder when downloading from the iTunes Store.
- You cannot play content you purchased from the iTunes Store.
[…]
Resolution
1. Open Computer from the Start menu.
2. From the Organize menu, choose Folder and Search Options.
3. Click the View tab.
4. In the "Advanced settings" pane under "Hidden files and folders," make sure that the "Show hidden files and folders" option is selected.
5. Click OK.
6. Navigate to the following location by either typing it into the address bar, copying and pasting it into the address bar, or clicking through the folder hierarchy listed:
C:\ProgramData\Apple Computer\iTunes
7. Right-click the SC Info folder shown and on the shortcut menu, choose Delete.
8. Restart the computer.
Thanks,
Matt M.