Re: Update to .NET Framework 3.5 Service Pack 1 for the .NET Frame

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Dale wrote:

Nope, disabling the ".NET Framework Assistant 1.0" (or "1.1") doesn't
restore the original User-Agent that's send out by a browser to any server,
while uninstalling the Add-On/Extension does.

I stand corrected. A disabled extension shouldn't change the User-Agent string, though; is this a bug in the extension or in Firefox?

Since the add-ons and extensions were installed without the users knowledge or permission, and not installed using the procedures established by Firefox for installing extensions and add-ons, [...]

(Sigh.) That's not true. The method used is documented by Mozilla here:

<https://developer.mozilla.org/en/Adding_Extensions_using_the_Windows_Registry>

https://developer.mozilla.org/en/Adding_Extensions_using_the_Windows_Registry

then it does not seem like it would be a Firefox bug if disabling doesn't properly restore the user agent string.

Since the change to the user agent string was caused by a trojan, you'll have to reset it by editing the configuration files for Firefox (I think. I know that IE keeps the user agent string in the registry but I think it is in a settings file in Firefox but I'm not a Firefox expert.)

The extra part of the user agent string is definitely stored as a preference. You can remove it using the about:config URL. As far as I know, Firefox doesn't keep track of which add-on a preference is associated with, so it would have no way of removing it, and unless add-ons are informed when they are disabled it wouldn't be able to either.

There may be a supported way for extensions to modify the user agent string; it seems like something they would often need to do. I guess I should be asking in the Mozilla Developer forums.

Harry.
.

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