In my own experience, mysterious conflicts were either caused by unusual filenames or case-sensitivity conflicts between Windows and Linux. In every case they w

In my own experience, mysterious conflicts were either caused by unusual filenames or case-sensitivity conflicts between Windows and Linux. In every case they were resolved by renaming the file, deselecting the parent folder in the sync config (removing it from the local synced files) and then adding it again for a fresh sync. It's only happened for me a few time, with moderate to heavy daily use. I'm not sure if your conflicts were unresolvable for some other reason, but the "deselect/select for sync" method always worked for me.