This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

when i try to switch to private browsing it says the url is not valid and cannot be loaded?

more options

whenever i try to browse through private browsing mode it says the url is invalid and cannot be loaded. th colour of top bar does change to violet but the websites visited are remembered.

whenever i try to browse through private browsing mode it says the url is invalid and cannot be loaded. th colour of top bar does change to violet but the websites visited are remembered.

All Replies (1)

more options

See this support thread - https://support.mozilla.org/en-US/questions/908584

First thing to check is if your date / time is set correctly in Windows. (the easiest)
Second thing that was mentioned in the thread is described here -
https://support.mozilla.org/en-US/questions/906369

That is supposed to be fixed in Firefox 10 which is due to be released later today.

You can force an update by using Help > About Firefox - not every Firefox installation will automatically be offered that update today or tomorrow, and maybe not for a few days to a week.

Modified by the-edmeister