If files or folders that iTunes for Windows uses to download purchases are restricted, you might see an alert message that reads:
"We could not complete your iTunes Store request. An unknown error has occurred (-45054)."
"We could not complete your iTunes Store request. An unknown error has occurred (-42110)."
If you see error -5000, -69, 13010, or 13014 when you sync music in iTunes for Windows, learn what to do.
Fix a -45054 or -42110 error in iTunes for Windows
- Quit iTunes.
- Press the Windows key on your keyboard. If your keyboard doesn't have a Windows key, press the Control (Ctrl) and Escape (Esc) keys on your keyboard.
- Click on the magnifying icon or search field. In the search box, type %ProgramData%, then press the Return key.
- Show any hidden files:
- Windows 10: Click View, then select "Hidden items."
- Windows 8: Click View, then click Options. On the View tab, select "Show hidden files, folders, and drives."
- Windows 7: Click Organize, then "Folder and search options." On the View tab, select "Show hidden files, folders, and drives."
- Open the Apple Computer folder, then the iTunes folder.
- Delete the adi and SC Info folders: Right-click each folder and choose Delete from the menu.
- Restart your computer.
- Open iTunes and try to make a purchase.