I've logged into my firefox sync account ok, but it then won't let me change my old password. I tried deleting my sync account so I can start again but it won't let me do that either. Although I logged in ok (so the password must be correct!), for both of the above it says my current pasword is wrong! I've tried deleting a secondary email address (as I no longer use it), using 'private window' mode, 'Troubleshooting mode', and I've also turned off AVG just in case that was interfering, but I still get the same error. I want to change my password as it's 8yrs old and I'm setting up a new install of Win 10. I don't care if I lose anything currently saved on firefox sync as I have a local copy. Please help. thanks.