In the Personas Gallery, I can't wear a Persona. (The wear button isn't there.) It also asks me to install The Personas add-on.
The wear button is not in the personas gallery.
Todas las respuestas (1)
Clear the cache and the cookies from sites that cause problems.
"Clear the Cache":
- Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"
"Remove Cookies" from sites causing problems:
- Tools > Options > Privacy > Cookies: "Show Cookies"
Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance/Themes).
- Don't make any changes on the Safe mode start window.
- https://support.mozilla.org/kb/Safe+Mode
There are other things that need your attention.
Your above posted system details show outdated plugin(s) with known security and stability risks that you should update.
- Shockwave Flash 10.0 r45
- Next Generation Java Plug-in 1.6.0_24 for Mozilla browsers