I must to say that i tried to reinstall firefox, update and all stuff about this. also i check the questions section first and didn't was resolved my issue. I still have problems to save password. in settings the option to "save password" is actived.

Do you mean names and passwords in the Password Manager or do you mean that you are no longer logged on to (remembered by) websites after closing and restarting Firefox?

There is a difference between remembering the name and password in the Password Manager and a "remember me" check box on a web page to log you in automatically.
The latter usually involves the creation of a special "remember me" cookie that is stored on your computer and that is send to the server.
If that "remember me" cookie is removed or gets corrupted or is not send to the server then the server won't remember you anymore and you need to sign in once again.

• http://kb.mozillazine.org/Cookies
• http://kb.mozillazine.org/Password_Manager

yes, first thing, about save passwords in password manager. To be more exactly i don't have possibility to save or no, the passwords because don't appear that bubble to check remember or no. just appear that key before <web page> and nothing else.

That part don't work at me, that when I select to save pass.

For me it's very useful because when i entry another account(for exemple mail account) and i will entry again the first account, firefox autocomplete my password (saved of course in password manager)

PS: I installed today a version saved now long time. on my PC. (v 3.6.8) and works. In my opinion it's more cool the old method to save passwords like in picture attached.

I run in safe mode and works fine (like in picture).

I think the wrong thing it's from a worn add-on installed. Now I want to remove all... I will let you know after I resolve the problem.

Now I tried to disable all data and add on, like in safe mode but I still have this problem, also i don't have the button to uninstall add-on...

Your screenshot shows installed plugins and not the extensions that are disabled in safe-mode.

• https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

yep. Thanx for last link. now works ok! :) when I Turn off hardware acceleration all things works well. Thanx a lot for supporting