Insync is giving an “unexpected error occurred” notification on startup, quitting immediately after that. I have tried a fresh installation after uninstalling and deleting my insync folder, to no avail.
What are your Insync and OS versions at the moment?
Windows 10 and the latest version of Insync. However I have traced the issue to the fact that I had enabled UTF8 encoding in the Windows administrative region settings:
Is everything okay now on your end?