Firefox Portable

Hello everyone,
first escuse me for my english, I'm Belgian so I speak french normally

I need some help. I try to boot a java enabled version of Firefox portable from my Sandisk flash drive, but no matter how I spin it, it won't work! I tried putting it in the data file, the apps file, running it with the java and adobe player already on computer... NOTHING! I'm trying to play RuneScape at work without being tracked on it but I can not for the life of me figure out what I am supposed to do to make Java work!!! Help me please

I had Google Toolbar installed and running perfectly in Firefox portable before I lot my usb flash drive a couple months ago.
I just got a new one and have installed Firefox portable and Google Toolbar successfully but the problem is that I can't sign in to the Google Toolbar. When I try signing in, the sign in page pops up, I am able to fill in the details, it loads but doesn't sign me in.
I followed the suggestions in the Google Toolbar Help: clear history, cache etc but to no avail. Even tried uninstalling & re-installing the Google Toolbar.

I've done some research on this forum and the web and still cannot stop the "Extensions" window from popping-up every time I use Portable Firefox on a different PC.

This seemed to be the same issue here: https://portableapps.com/node/23263

But no luck with any of those suggestions.

So now when I go to Runescape, I need to download -their very own- flavor of Java. I have a copy of it on my thumb drive, but how do I cram it into the apps folders? Assume that I am a drooling idiot, and speak slowly and -enunciate-. Please.

after using firefox often doesnt it keep temporary files so you can load the page faster next time or something?
in regular firefox one can delete temp settings and folder to increase space

can i do something similar with firefox portable to reduce the space on my flash drive?

Just a quick thanks John for your very prompt releases of firefox whenever there is an update. It is very much appreciated.

alright about a year ago i used portable firefox on a computer at school and i have no idea how anything was set i just installed it and used it right away and nothing was blocked and all java scripts and effects were working if anybody knows why it worked then and it does not now please let me know and even better if you have a solution it would be much appreciated.

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I just started using portable apps and its been very useful.

After a while I thought it would be nice if there is a way to save the browsing history on ram (temporarily) so it doesn't slows down ff.
I always close the tabs and want to go back and it could save me some time..