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 open a video from the website Youtube I got this message that I didnt before I uograde to Firefox 7.0.1 : "Firefox doesn't know how to open this address, because the protocol (rtsp) isn't associated with any program."

  • 1 reply
  • 4 have this problem
  • 1 view
  • Last reply by cor-el

more options

When I try to open a video from the website Youtube I got this message that I didnt before I uograde to Firefox 7.0.1 : "Firefox doesn't know how to open this address, because the protocol (rtsp) isn't associated with any program." That didnt happen before until I made an upgrade to 7.0.1

When I try to open a video from the website Youtube I got this message that I didnt before I uograde to Firefox 7.0.1 : "Firefox doesn't know how to open this address, because the protocol (rtsp) isn't associated with any program." That didnt happen before until I made an upgrade to 7.0.1

All Replies (1)

more options

Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"