"iTunes Library.itl Cannot Be Read..." Error Even After Fresh Install
iTunes updated on my PC (Win 10, x64 bit) over the weekend, but machine stopped recognizing my iPhone. Did the usual--swapped cables, restarts, etc. The phone can be seen through the Windows file system, but not iTunes proper.
iTunes also began behaving erratically (wouldn't shut down via the upper-right X, wouldn't delete songs) so just uninstalled the whole thing. Rebooted after.
So, went to Microsoft store to get current version. Reinstalled, and still got the ".itl" error. Rebooted, uninstalled, tried again with same installer program... and same.
Then went the Apple route. Exact same problem.
Researched via Google, and all the (rather outdated) info says it's a compatibility issue between old iTunes files and new. But how is that even possible in my situation when I'm using the newest installer for the newest version?
Please help.
Windows, Windows 10