Website says browser isn't supported (Twitch.tv)
I know well this is my fault, I messed with the user.js of chrome and put a new one in, now I have problems on a lot of websites, the main one being Twitch.tv. The website itself works and I can watch streams but I can't login, everytime it says Browser not supported even if I am on the latest version of Firefox. Roblox also does this, it doesnt say browser unsupported but it just refuses to launch a game even after disabling and enabling settings. I have no idea what i modified to cause this, I also straight up deleted my user.js after the problem persisted but its still broken. Private mode doesnt help since it also uses user.js. Help? Thanks in advance and I wont respond instantly.
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> I messed with the user.js of chrome
Hmm... could you go into more detail?
Firefox allows creating a user.js file in your profile folder, which only has the function of modifying preferences (the kind of preferences you see in the about:config advanced preferences editor). If you used a user.js file to change preferences, removing the user.js file doesn't reverse that, you would need to change them back yourself.
If you know the contents of your user.js file, you could look at what it did.
The most obvious reason that sites might accuse you of using an older version would be if the user agent string were modified. This article describes how to check on that: How to reset the default user agent on Firefox.
Some other potential reasons would be disabling features that are so common among modern browsers that the site doesn't even suggest that they are settings, like it might suggest when scripting is disabled, or add-ons, like when it suspects an ad blocker. It's hard to guess what the problem might be.
Makes sense, I downloaded the user.js from a random github page, my main goal was to get the letterboxing from Tor into my Firefox and it worked. Maybe that's the cause? I tried removing all the lines of code except the letterboxing but it didn't work so I just put the whole thing in my Firefox folder. I'm pretty certain my extensions aren't the problem since I used them yesterday and it was fine. https://github.com/arkenfox/user.js is the link to the user.js. I'm seriously not sure what I should be looking for to disable/enable since theres soooo much and I don't know a damn thing about anything. Oh and also the useragent didn't fix it unfortunately, I also tried privacy.resistFingerprinting but that didn't work either.
由 Thomas 於 修改
Did you mess with the user agent as you may run in to the bug that your user agent is interpreted as IE 11 as I see rv:112.0 where normally this would be rv:109.0 as this value has been frozen to 109 in Firefox 110-119
- Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:112.0) Gecko/20100101 Firefox/112.0
I would expect:
- Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/112.0
Note that enabling "Resist Fingerprinting" also can cause issues.
You can check for problems with preferences. You can delete possible user.js and numbered prefs-##.js files and rename/remove the prefs.js file to reset all prefs to the default value including prefs set via user.js and prefs that are no longer supported in current Firefox releases.
You can use the button on the "Help -> More Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page (Root directory).
- Help -> More Troubleshooting Information -> Profile Folder/Directory:
Windows: Open Folder; Linux: Open Directory; Mac: Show in Finder - https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data
由 cor-el 於 修改
(Hi Thomas, your reply is in the spam link moderation queue because it contains a link to a non-Mozilla site. Hopefully it will be released soon!)