Seneste svar på Built my site to W3C standards but Firefox has a problem only on one computer only - is it Firefox or user settings on this computer or something else?https://support.mozilla.org/da/questions/6758862010-05-19T01:31:53-07:00You can also ask them to reset all preferences to the default.
"Reset all user preferences to Firefo2010-05-19T01:31:53-07:00cor-elhttps://support.mozilla.org/da/questions/675886#answer-22313<p>You can also ask them to reset all preferences to the default.
</p><p>"Reset all user preferences to Firefox defaults" on the <a href="/en-US/kb/new?title=Safe+mode" class="new" title="Page does not exist." rel="nofollow">Safe mode</a> start window
See <a href="http://kb.mozillazine.org/Resetting_preferences" rel="nofollow">http://kb.mozillazine.org/Resetting_preferences</a>
</p>Ask them to check how the site looks in Firefox's own safe mode, if there's no difference they can a2010-05-19T01:03:48-07:00AnonymousUserhttps://support.mozilla.org/da/questions/675886#answer-22314<p>Ask them to check how the site looks in <a href="http://support.mozilla.com/en-US/kb/Safe+Mode#How_to_start_Firefox_in_Safe_Mode" rel="nofollow">Firefox's own safe mode</a>, if there's no difference they can also <a href="http://support.mozilla.com/en-US/kb/Managing+profiles#Starting_the_Profile_Manager" rel="nofollow">create a fresh profile</a> and disable everything in Tools -&gt; Add-ons, "pugins" section to see how the site looks in that.
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