I thought I lost a note, it was nowhere to be found: not in the web version, not in the Android app, not in the Windows apps (two computers), not in the Trash. I check in Conflicting Notes in my notebook and it wasn't there. I was about to give up, but then I went to my desktop computer, and checked in the Conflicting notes there: it was there! I just moved it to my notebook, synched and it appeared everywhere. If you are missing a note and you already checked the Trash, check in Conflicting Notes on EVERY device. I hope that helps somebody!