When I restart my PC my website usernames and passwords are not saved, the box I untick, keeps getting ticked. I believe this is a Trendmicro problem
Last week each time I would turn my PC back on all my website log in ID's and passwords would be saved. I have just renewed my Trend Micro anti-virus and done an update and now each time I restart my computer the Security Tab that has "Remember logins for sites is unticked ", thus no user names or passwords are coming up when I try and access a web form.
Soluzione scelta
If you have the "Trend Micro Password Manager" installed then try to uninstall this application via the Windows Control Panel.
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https://support.mozilla.org/en-US/kb/how-to-fix-preferences-wont-save
Note: Some software, like Advanced SystemCare with Surfing Protection, can protect files in the Firefox profile folder against changes. If you have such software then check the settings or uninstall this software.
Soluzione scelta
If you have the "Trend Micro Password Manager" installed then try to uninstall this application via the Windows Control Panel.
Thank Cor-el this solves the problem. Really appreciate your assistance :-)