Q: iTunes 12.2.1 - wiped my library and freezing all the time - Windows 7
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Jul 16, 2015 6:13 AMby joe_7399,Hi Nick110581,
Welcome to the Apple Support Communities!
I understand that you have a couple of different issues going on with iTunes on your Windows 7 computer.
First, I understand that you have your iTunes library backed up on an external hard drive, but are not able to access that information in iTunes.
If you would like to move this media from the external hard drive back to your computer so it can be accessed in iTunes, please read over the attached article for instructions. It sounds to me like you may be able to skip to Part 4: Add back new content, but I would suggest reading over the entire article to be sure.
How to move your iTunes library to a new computer - Apple Support
If the iTunes library is on the external hard drive and you would like to access the media there, and not move it to the computer, please follow the instructions in the next article for how to complete this process.
iTunes: How to open an alternate iTunes Library file or create a new one - Apple Support
I understand that you are also having an issue with iTunes unexpectedly quitting. To troubleshoot this situation, I would recommend reading over and working through the suggested steps located in the following article.
Fix unexpected quits or launch issues in iTunes for Windows - Apple Support
Best regards
