(Trying to open bookmark mger & get Firefox doesn't know how to open this address, because the protocol (chrome-extension) isn't associated with any program.)

MacBook Pro
2.33 GHz
4 GB
Mac OS X 10.6.8

Are you using "Bookmarks > Show All Bookmarks" to open the Bookmarks Manager (Library)?
*https://support.mozilla.org/kb/how-do-i-use-bookmarks

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What does this mean, and how can I stop this message from coming up constantly in my e-mail program? "Alert: Firefox doesn't know how to open this address, because the protocol (htpixel.adsafeprotectedtp) isn't associated with any program."

This just started last night, and it seems to be affecting the functioning of my e-mail program (Yahoo mail). How can I stop it?

Perform the suggestions mentioned in the following articles:
* [https://support.mozilla.com/en-US/kb/Template:clearCookiesCache/ Clear Cookies & Cache]
* [[Troubleshooting extensions and themes]]
Check and tell if its working.
May not be related to your problem but some of your Firefox Plugins are out-dated
* Update All your Firefox Plugins -> https://www.mozilla.org/en-US/plugincheck/
* '''NOTE: When Downloading Plugins Update setup files, Remove Checkmark from Downloading other Optional Softwares with your Plugins (e.g. Toolbars, McAfee, Google Chrome, etc.)'''

I get keep getting this when I get emails ( dosen't know how to open this address because the protocal(blocked http) isn't associated with any program

I get keep getting this when I get emails ( dosen't know how to open this address because the protocal(blocked http) isn't associated with any program

That is the current AKO policy, see [/questions/747157]
*http://usacac.army.mil/CAC2/MilitaryReview/EmailAnnouncementNotification.pdf

Firefox doesn't know how to open this address, because one of the following protocols (itms-service) isn't associated with any program or is not allowed in this

Firefox doesn't know how to open this address, because one of the following protocols (itms-services) isn't associated with any program or is not allowed in this context.
You might need to install other software to open this address."
tried to fix in about:config but itms-services not foundn; also tried to fix using network.protocol-handler.external.foo but that wasn't listed either
trying to download an app related to a rewards gift card
firefox and os versions are up to date on MacBook Air

Hello!
Would you please provide the link you were trying to visit?
Also, you may want to post this question to the [https://support.mozilla.org/en-US/questions/new/desktop Firefox for Desktop Support Forum] . The Mozilla Support volunteers there may be able to better assist you.
I hope we can help you solve your problem.

In MS Access, with hyperlink function to *.HTM file, I get : Firefox doesn't know how to open this address, because the protocol (c) isn't associated with any program

The objective is to make *.HTM based help screens to open with the default browser, in my case Firefox, but it does not work (as well directly through hyperlink as using event based function)

That you happen if you try to open a link to a local file on the computer with c:\xxx or c:/xxx 
Such links should be opened with the file: protocol: file:///c:/
*http://kb.mozillazine.org/Links_to_local_pages_do_not_work

I am getting this error message when trying to get to a college webpage Firefox doesn't know how to open this address, because the protocol (html) isn't associated with any program.

I am trying to get to a college webpage for information and get this error message from firefox Firefox doesn't know how to open this address, because the protocol (html) isn't associated with any program.
== This happened ==
Every time Firefox opened
== whe trying to access webpage

Is this coming from a link, or from something you are trying to type in the address bar?
Try replacing the "html" at the start with "http",
so if you have html://somesite.edu,
change it to http://somesite.edu.

When trying to stream video I am getting this error message "Firefox doesn't know how to open this address, because the protocol (st) isn't associated with any program." How do I fix this?

<blockquote>Locking duplicate thread. 
Please continue here: [/questions/782039]</blockquote> 
When trying to stream video I am getting this error message "Firefox doesn't know how to open this address, because the protocol (st) isn't associated with any program." How do I fix this?

Protocol error usually indicates that the very leftmost part of the URL is not recognized.
So http://, ftp://, rtsp://, usually work.
ableton:// would need to be added by some software somewhere...
Can you get instructions from the vendor? Does these posts seem relevant:
[http://forum.ableton.com/viewtopic.php?f=32&t=112368 Ableton Forum • View topic - [dds] Bug with Fireforx browser and downloading project?]
[http://forum.ableton.com/viewtopic.php?f=32&t=109918 Ableton Forum • View topic - [gck] Problem downloading shared sets from Ableton server.].

When trying to go into itunes I get this message "Firefox doesn't know how to open this address, because the protocol (itmss) isn't associated with any program"

When trying to log into itunes i get this message:
Firefox doesn't know how to open this address, because the protocol (itmss) isn't associated with any program.
I had to reset Firefox (due to slowness and shockwave error message that I kept getting). Itunes was downloaded after the reset, but I can't get into it? Any ideas?

I ran into this same problem after Firefox auto-updated to v24! I'm on the Beta Channel and I had Firefox set to automatically update.
What I did to correct the problem:
1. Turned off all automatic updating.
Options> Advanced> Update [tab]
Firefox updates
[x] Check for updates, but let me choose whether to install them
[ ] (unchecked) Use a background service to install updates
I also unchecked;
[ ] Search Engines (I will turn this back on after I'm done with my experiment.)
2. Googled 'Firefox v23 download', downloaded and installed: Firefox_Setup_23.0b1.exe (version 23, Beta 1)
Since I reverted back to v23, I haven't had any problems.

Have Spotfy, Facebook App on home computer, trying to open on laptop and get this ERROR CODE: Firefox doesn't know how to open this address, because the protocol (spotify) isn't associated with any program. How can I fix?

I have used Spotfy Music App on Facebook on my home computer, now trying to use on laptop, and i get this ERROR CODE: Firefox doesn't know how to open this address, because the protocol (spotify) isn't associated with any program. How can I fix this? Thanks in advance for any help

Hi,
You may have to install the Spotify application on the laptop to get Spotify protocols recognized.

I am trying to get Firefox to open Vuze when I click on a magnet link, I get the following message: Firefox doesn't know how to open this address, because the protocol (magnet) isn't associated with any programme. tell me the solution

when i try to open torrent using magnet, I get the following message. Firefox doesn't know how to open this address, because the protocol (magnet) isn't association to any programme.

'''I had this problem and just re-installed Firefox. Problem solved. In my case I believe it was due to installing FlashGet. Though I uninstalled FlashGet, it had pre-empted the Magnet links / protocol. I hope this helps you with your instance. Happily I had the installer for my version of Firefox (7.0.1) saved and used that but you might need to search for your current version or install a later version'''

I have installed HP2035n. But when i try to open the embedded web server, i get the error "Firefox doesn't know how to open this address, because the protocol (fe80) isn't associated with any program." What is the possible solution?

I have installed HP2035n. But when i try to open the embedded web server, i get the error "Firefox doesn't know how to open this address, because the protocol (fe80) isn't associated with any program." What is the possible solution?
I typed in the IPv6 address of the printer in the address feild of firefox.

Start Firefox in [[Safe Mode]] to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.com/kb/Safe+Mode
Do a malware check with some malware scanning programs. 
You need to scan with all programs because each program detects different malware. 
Make sure that you update each program to get the latest version of their databases before doing a scan. 
* http://www.malwarebytes.org/mbam.php - Malwarebytes' Anti-Malware
* http://www.superantispyware.com/ - SuperAntispyware
* http://www.microsoft.com/windows/products/winfamily/defender/default.mspx - Windows Defender: Home Page
* http://www.safer-networking.org/en/index.html - Spybot Search & Destroy
* http://www.lavasoft.com/products/ad_aware_free.php - Ad-Aware Free
See also:
* "Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked

I try to email or IM a link or comment on a website page and I get this error message: Firefox doesn't know how to open this address, because the protocol (ymsgr) isn't associated with any program.

Firefox doesn't know how to open this address, because the protocol (ymsgr) isn't associated with any program. I try to email or IM a link or info on a web page I get this error message. How can I send an email or IM?

Protocol error usually indicates that the very leftmost part of the URL is not recognized.
So http://, ftp://, rtsp://, usually work.
ableton:// would need to be added by some software somewhere...
Can you get instructions from the vendor? Does these posts seem relevant:
[http://forum.ableton.com/viewtopic.php?f=32&t=112368 Ableton Forum • View topic - [dds] Bug with Fireforx browser and downloading project?]
[http://forum.ableton.com/viewtopic.php?f=32&t=109918 Ableton Forum • View topic - [gck] Problem downloading shared sets from Ableton server.].

When i click on a hiper link, i get the following response: firefox doesn't know how to open this adress, because the protocol (blockedhttp) isn't associated with any program.

when i click on a hyper-link, i get the following response: firefox doesn't know how to open this address, because the protocol (blockedhttp) isn't associated with any program.
My question is: how do i get this hyper-link to open?

You have blocking software to change the url to prefix blocked to the url to get '''blockedhttp:''' to prevent you from opening the file. It might be the "Blocksite" extension, but I just typed in something I blocked into the location bar and I didn't see that happen. but that might not be the same as clicking on a link.
* http://kb.mozillazine.org/Blocking_bad_sites_and_annoyances
Maybe it's from the blocked sites list used by Firefox and other browsers maintained at google, or a parental controls application.

Getting this error message Firefox doesn't know how to open this address, because the protocol (ableton) isn't associated with any program

Firefox doesn't know how to open this address, because the protocol (ableton) isn't associated with any program.
I keep getting this message even though the ableton software was installed and authorized

Protocol error usually indicates that the very leftmost part of the URL is not recognized.
So http://, ftp://, rtsp://, usually work.
ableton:// would need to be added by some software somewhere...
Can you get instructions from the vendor? Does these posts seem relevant:
[http://forum.ableton.com/viewtopic.php?f=32&t=112368 Ableton Forum • View topic - [dds] Bug with Fireforx browser and downloading project?]
[http://forum.ableton.com/viewtopic.php?f=32&t=109918 Ableton Forum • View topic - [gck] Problem downloading shared sets from Ableton server.].

I downloaded Newest mozilla yesterday, adobe updated, and now when I click a YouTube video I get a box saying "Firefox doesn't know how to open this address, because the protocol (rtsp) isn't associated with any program." and can't watch any videos?

I downloaded the latest version of Mozilla Firefox yesterday, full and complete, and I am actually using it right now. The only problem I have had is upon clicking any YouTube video, the box pops up saying "Firefox doesn't know how to open this address, because the protocol (rtsp) isn't associated with any program." But there are no directions or suggestions on how to address this problem. Ive looked at YouTube add-ons and none of them really seem related. Upon the finish of the new Mozilla, I also was prompted to upgrade the flash player, and did so without any trouble. I am only guessing this is an extension/plug-in problem. I really am quite confused!

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"

(Trying to open bookmark mger & get Firefox doesn't know how to open this address, because the protocol (chrome-extension) isn't associated with any program.)

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