Have lost all tunes in Itunes after update

We have 2 Ipods in use on this computer. Each in different user account. After upgrade to Itunes (8.2.0.23) from other account. I have lost all content from my Itunes library. When I connect my Ipod, I get message starting " This Ipod is synced with another Library. I have never connected to another library or PC

The following instructions

The following instructions courtesy of Apple
No content shows up in iTunes after updating

After upgrading iTunes, if your music and videos do not show up in iTunes, follow these steps to bring back your missing content:

Resolution

  1. Quit iTunes.
  2. Download and install the latest version of iTunes.
  3. Use the Finder (Mac) or Windows Explorer (Windows) to go to the iTunes folder that contains the iTunes library files: Mac OS X /Users/username/Music/iTunes/ Microsoft Windows Windows XP and Windows 2000 \Documents and Settings\username\My Documents\My Music\iTunes\ Microsoft Windows Windows Vista \Users\username\Music\iTunes\  
  4. Drag the iTunes Library file from the above location to the Desktop.
  5. Open the Previous iTunes Libraries folder in the iTunes folder.
  6. Locate the file named iTunes Library YYYY-MM-DD where YYYY-MM-DD is the date you upgraded iTunes (Year-Month-Day).
  7. Drag this file to the iTunes folder (the enclosing folder).
  8. Rename this file to iTunes Library.
  9. Open iTunes.

You should now see your iTunes music and videos.

im having the same problem

im having the same problem but when searching Microsoft Windows Windows XP and copy and pasting: \Documents and Settings\username\My Documents\My Music\iTunes\ the files are no where to be found.

please help im going away this weekend

Thanks a lot!! It worked. But

Thanks a lot!! It worked. But why does Apple not restore the browser image? Just seems silly not to do so.......anyway, got my library back. Thanks again!