cannot delete missing item from library

i can't delete songs i have missing from my library, the little "i" comes up
and i click on it but the option to delete the missing items is not clickable

 

Worst case scenario: just reset the library:
http://zachd.com/pss/pss.html#medialibrary

 

LONG PATH TOOL
Do you have error messages?, like :
• Path too long
• Error cannot delete file: cannot read from source file or disk
• Cannot delete file: Access is denied
• There has been a sharing violation.
• Cannot delete file or folder The file name you specified is not valid or too long. Specify a different file name.
• The source or destination file may be in use.
• The file is in use by another program or user.
• Error Deleting File or Folder
• Make sure the disk is not full or write-protected and that the file is not currently in use.
• Error Copying File or Folder.
• Cannot remove folder.
• The filename or extension is too long.
• Path too deep.
• Destination Path Too Long.
• Could not find this item.
• Filename is not valid.
• The file could not be accessed.
• The path you entered, is too long. Enter a shorter path.
• File Name could not be found. Check the spelling of the filename, and verify that the file location is correct.


Download LONG PATH Tool 3.6 at longpathtooldotcom