Are you using any password add-ons? Are they up-to-date? Compatible?

Start Firefox in Safe Mode {web link} by holding down the <Shift> (Mac=Options) key, and then starting Firefox.

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

i don't use an add on. just type in my username/password and it asks if firefox should save. then it auto fills in next time i login, but the login button doesn't highlight so i can't pick. i have to retype to i can choose it

FredMcD said

Start Firefox in Safe Mode

does the same thing

Please provide public link(s) (no password) that we can check out. No Personal Information Please !

https://www.pnc.com/en/personal-banking.html

This looks like a website issue. I had the same problem. It works fine when the information is entered manually, but it does not work hen the Password Manager enters the data.

You should contact their support and ask about this.

but this wasn't a problem until the latest firefox update, and i've had it with similar websites??

You didn't say anything about that. The only time it happens to me was at https://www.pnc.com/en/personal-banking.html

I called for more help.

what did they say when you called? work around?

I sent a message to one of the big guys.

let me know if you ever get a response :)

I think that there is not much you can do about this. I think that there is a script running that gets triggered if text is entered in those fields and enables the login button, but when the Password Manager fills the fields then this doesn't trigger this script and the login button stays disabled.

if i click on the login name field and just add a space after last character it lets me click login.

OK glad you followed the information and read the cause. Please mark this as solved with the appropriate answer. Thank You.

Pkshadow said

Please mark this as solved with the appropriate answer

That is, your last post neato3106