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Questions tagged [firefox]

Mozilla Firefox is a free and open-source web browser developed by the Mozilla Foundation. It uses the Gecko layout engine originally developed by Netscape.

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13 votes
3 answers
22k views

Can I install Firefox addons on Tor Browser?

I want to begin to use Tor Browser (on Windows) but before I need to know some issues. I have read Tor's six pillars and one of that is "Don't enable or install browser plugins". So my doubt is: does ...
Ivanhercaz's user avatar
10 votes
2 answers
2k views

How can I check if a Firefox plugin is a deanonymization threat?

There are many useful Firefox plugins and extensions that are compatible with the Tor Browser Bundle - how do I know which ones are safe to install without compromising my Tor anonymization?
Ivar's user avatar
  • 1,630
7 votes
2 answers
8k views

Connect directly with Tor Browser (as in, bypass Tor)?

I recently decided to pay for CryptoStorm anonymous VPN as an extra layer to my privacy protection - so that all requests including UDP requests are automatically masked. As I understand it, all ...
Robin Winslow's user avatar
17 votes
2 answers
2k views

How can I switch from one Tor Browser Bundle version to another? [closed]

I'm trying to use the Tor Browser Bundle (TBB) for everyday surfing. For convenience reasons I use bookmarks and sometimes install some addons. When a new version of the TBB comes out, I lose all of ...
Jens Kubieziel's user avatar
  • 8,570
3 votes
3 answers
30k views

Tor won't open on mac, saying Firefox is running - but it isn't

When I try to open the Tor bundle on a Mac, a box pops up and says "A copy of Firefox is already open. Only one copy of Firefox can be open at a time." But I don't have Firefox open.
user1846's user avatar
-1 votes
2 answers
267 views

Tor button api for extension

I'm trying to write a firefox extension that can automatically trigger the "New Tor circuit for this site" action. I'm not familiar with writing extensions, so I' don't know where I can find the API ...
allafleche's user avatar
12 votes
1 answer
3k views

HTML5 Canvas Image Extraction

I accidentally allowed YouTube to access the data on a canvas. How do I disable a website from access a canvas?
cubecubed's user avatar
  • 913
5 votes
2 answers
4k views

Can't set master password in the tor browser

I'm using the tor browser version 10.5.2 in whonix 15, everything works, except that I cannot save logins in the tor browser because every time I try to setup a master password, a popup window appears,...
Curiosus Hominem's user avatar
5 votes
2 answers
1k views

Connect to Tor-Firefox via Ruby/Watir

I am having issues connecting to Tor via Ruby - Watir webdriver. I use the Tor Browser Bundle. The problem is that when I try to connect via Watir (Selenium) I cannot seem to open Tor instead of ...
Seeb's user avatar
  • 153
4 votes
2 answers
19k views

Tor Browser Bundle Showing Error "Firefox is Already Running" on Mac

I've installed the Tor Browser Bundle on my Mac, by downloading the package file and extracting it on my desktop. But when I try to run TBB, I get the error "Firefox is already running". I have ...
Steve's user avatar
  • 43
4 votes
2 answers
2k views

Twitter "Like" and "Retweet" buttons don't work on Tor Browser anymore

This is probably a simple issue but I cannot seem to figure it out. I can no longer like or retweet tweets using the Tor Browser. This started several days ago. The Android app works fine. Any ideas?
Jenn's user avatar
  • 41
3 votes
2 answers
497 views

Tor vs Brave - which is technically more effective to hinder user tracking - fingerprint generalization or randomization?

TOR's method to countering fingerprinting is to make as many users "appear the same" as possible, let us call this to "generalize". While Brave tries to randomize all fingerprints of each and every ...
threeeMiaNichole's user avatar
3 votes
1 answer
357 views

Noscript and latest TBB (v3.6.4) -- recommended modifications to default settings?

I recall that previous versions of TBB came with Noscript, but with javascript enabled by default. Since then, it would appear that the settings for Noscript (TBB v3.6.4) have been modified and ...
simulacrum's user avatar
3 votes
3 answers
5k views

Opening Tor on my Mac OX says Firefox is already running

Just downloaded the new Tor browser bundle on my MACBOOK Pro and I get a message that reads "a copy of firefox is already running. Only one copy allowed at a time." Any suggestions for newbie, like ...
JPD's user avatar
  • 31
3 votes
2 answers
1k views

TBB + FoxyProxy = Safe?

Can I safely use FoxyProxy together with the Tor Browser Bundle? I like to have an additional hop after the Tor exit node. Therefore I am considering the use of the FoxyProxy plugin to the Tor ...
Kras's user avatar
  • 31
2 votes
1 answer
2k views

"HOWEVER, this browser is out of date"

I keep getting the browser is out of date message even tho I click on the onion, download the latest Tor Bundle & install it. Any suggestions? I'm asking because I sometimes have an issue with ...
user1558's user avatar
2 votes
1 answer
2k views

Error message "The application was unable to start correctly (0xc0000022)." whenever I try to open Tor

I recently downloaded Tor 4.0 on Windows 7 (64 bit) but whenever I try to start Tor browser, I get the following error message: firefox.exe - Application Error The application was unable to ...
Anonymous's user avatar
2 votes
0 answers
368 views

Gmail and Gtalk over Tor suggestions

How should one best access Google communications and social services, like Gmail, Talk/Hangouts, and maybe G+ over Tor? I'll propose the default threat model for interacting with Google as : We've ...
Jeff Burdges's user avatar
1 vote
2 answers
2k views

Using Tor browser and Chrome/Firefox simultaneously

So, let's say that I got interested in keeping myself anonymous a little to late. But I installed Tor and have some questions: If I use two web browsers - Tor Browser and Chrome/Firefox - can my ...
Dundee's user avatar
  • 13
1 vote
2 answers
2k views

Tor browser conflicts with Malwarebytes antimalware

Malwarebytes antimalware has detected the file ...\Tor Browser\browser\firefox.exe with virus spyware.lokibot. I even made a new installation of Tor Browser from its official site, but upon finishing ...
DKB's user avatar
  • 11