Posted April 07, 2020
This browser version still should be ok, but if other browser/newer version is out of the question, try safemode for firefox:
Troubleshoot Firefox issues using Safe Mode.
Troubleshoot Firefox issues using Safe Mode.
It seems that you're using an outdated browser. Some things may not work as they should (or don't work at all).
We suggest you upgrade newer and better browser like: Chrome, Firefox, Internet Explorer or Opera