I get message "TypeError: Components.classes[cid] is undefined" when opening and some web sites andd I have to cancel or close to continue.

Top of error box JAVAScript application
i have downloaded most recent Java but it problem continues.

This issue can be caused by an extension that isn't working properly.
Start Firefox in <u>[[Safe Mode]]</u> to check if one of the extensions or if hardware acceleration 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
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

Similar Messages

  • I install compatibility reporter in my Mozilla firefox 5 running under Windows 7 and get message - TypeError: Components.classes[cid] is undefined, what is causing it please?

    I am having to install Compatibility reporter so that Google toolbars will work. This used to be ok, but now I am getting the message-TypeError: Components.classes[cid] is undefined. I am running under Windows 7 any idea how |I can get round it please?

    If you force an extension to install by overriding the compatibility then the result can be unpredicted.<br />
    The extension may work or may not work or cause error messages like you posted.<br />
    You always need to be careful with forcing extensions to install.
    You may need to check extensions.checkCompatibility prefs on the <b>about:config</b> page.
    * http://kb.mozillazine.org/extensions.checkCompatibility

  • Since installing Firefox 4, I keep getting this message "TypeError: Components.classes[cid] is undefined" when a window should open. Also print and print preview don't work properly anymore.

    Since installing the newest version of Firefox, This message "TypeError: Components.classes[cid] is undefined" appears in a box when a new window should open. Also, what you see in print print preview is not what prints.

    This type of error is usually caused by an add-on you are using that is not compatible. It could be anything from an antivirus link scanner like AVG Safe Search add-on, or McAfee Site Advisor add-on, or something similar. To confirm what add-on is causing this use the procedure in this link:
    https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes
    Try Disabling the last add-on that was installed prior to upgrading to version 5.0
    Check and tell if its working.

  • Receiving this error "TypeError: Components.classes[cid] is undefined" when opening Firefox 4. Never received this prior to upgrading to version 4.

    Also receiving this error when logging on to some websites. Able to close the error screen and continue but it is aggravating.

    That indicates that you are using an add-on that is not compatible with Firefox 4. For details of how to troubleshoot this to find out what one is causing the problem see https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

  • Hi there I have updated to your lates version but every time I open up the browser and new windows I get this error message 'TypeError: Components.classes[cid] is undefined' although it does work but the message is very annoying

    Question
    Hi there I have updated to your lates version but every time I open up the browser and new windows I get this error message 'TypeError: Components.classes[cid] is undefined' although it does work but the message is very annoying

    This issue can be caused by an extension that isn't working properly.
    Start Firefox in <u>[[Safe Mode]]</u> 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
    * https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

  • Everytime I open a window in Firefox 4 beta 2 I get a messeage that says TypeError: Components.classes(cid) is undefined, when I click OK it opens up the new window. How can I fix this?

    Everytime I open a window in Firefox 4 beta 2 I get a messeage that says TypeError: Components.classes(cid) is undefined, when I click OK it opens up the new window.

    Start Firefox in [[Safe Mode]] to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).<br />
    See [[Troubleshooting extensions and themes]] and [[Troubleshooting plugins]]<br />
    <br />
    If it does work in Safe-mode then disable all your extensions and then try to find which is causing it by enabling one at a time until the problem reappears.<br />
    You can use "Disable all add-ons" on the [[Safe mode]] start window to disable all extensions.<br />
    You have to close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")<br />

  • Recently downloaded Firefox 4. Now when loading it, I get this Java Console Message: TypeError: Components.classes[cid] is undefined I click OK and everything works OK, but this didn't happen before.

    Please tell me how I can get rid of a Java Console Msg. every time I load Firefox 4 (which I just updated to). This box pops up when trying to load Firefox: TypeError: Components.classes[cid] is undefined. I have to click on OK before it will load. ANNOYING. This didn't happen until I updated to Firefox 4.

    That indicates that you have an add-on that is not compatible with Firefox 4. To find out which one, use the procedure in this link - https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

  • Get error "TypeError: Components.classes[cid] is undefined" and can't load web pages. Problem with Firefox 5?

    I tried repeatedly to load Firefox 5. The Error "TypeError: Components.classes[cid] is undefined" keeps coming up. The browser loads but any URL I enter doesn't load. Sites activated by buttons do load. Internet Explorer works.

    07-05-11 When I turned on my laptop (Vista) this morning, I got a Start in Safe Mode and Repair message so I did. It suggested a System Restore, I hit OK. When it started like normal, I waited a few minutes then TRIED to launch Firefox 5.0 but kept getting a Mozilla Crash Report dialogue. So I instead opened Firefox 4.0b12 --error free-- so I could get here to get help. When I tried the Run... firefox.exe -profilemanager step, I get the subject error. When I try to open FF 5.0 in Safe Mode by holding down the shift key simultaneously, I get the subject error and no launch (though no Crash box either). I will try to let the FF 5.0 Updater run when it appears again but it never lets me choose when to Ask Again so I don't think it'll show again until tomorrow. Sigh. Oh, and like someone at a different version of this error blog re WinVista 32bit, now I'm getting the issue of Enter not executing the URL typed in the address bar; I had to click the arrow.
    I hope the Update is to fix this problem.

  • Since upgrading to 6 I get "TypeError: Components.classes[cid] is undefined" when loading Firefox - why?

    When loading Firefox or certain pages I get a message box appear with "TypeError: Components.classes[cid] is undefined" if I hit "OK" the system continues. This has only happened since the recent security upgrade to Firefox. I have downloaded Firefox and reinstalled but the message persists.

    This issue can be caused by an extension that isn't working properly.
    Start Firefox in <u>[[Safe Mode]]</u> 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
    *https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

  • When I start Firefox, Iget the following message "TypeError: Components.classes[cid] is undefined"

    TypeError: Components.classes[cid] is undefined. This is the message thast pops up every time I start Firefox.

    This issue can be caused by an extension that isn't working properly.
    *https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes
    Start Firefox in <u>[[Safe Mode]]</u> 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

  • I receive the following error message "TypeError:Components.classes[cid] is undefined

    Every time I click on a web page the following message appears
    Type Error:Components.classes[cid] is undefined
    == This happened ==
    Every time Firefox opened
    == Few weeks ago

    This is caused by an extension. Possibly AVG or "eSnips Download Helper".
    See [[Troubleshooting extensions and themes]] for how to disable all extensions, and enable them one by one to find the problematic one.
    See also this thread: https://support.mozilla.com/en-US/forum/1/258251

  • When I launch Firefox 4.0 I get the following message "TypeError: Components.classes[cid]is undefined. How do I fix this?

    When I click "ok" the pop up window clears and FireFox opens. I believe this error is also preventing Privacy Protect from activating in FireFox.

    This is probably due to an add-on that is not compatible with Firefox 4. For details of how to troubleshoot that see https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

  • When i log in to firefox i get the message TypeError: Components.classes[cid] is undefined do you know how to get rid of it

    this only started after i reinstalled google toolbar

    This issue can be caused by an add-on that isn't working properly.
    Start Firefox in <u>[[Safe Mode]]</u> 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
    * https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

  • Error message TypeError: Components.classes[cid] is undefined

    when starting Firefox 5 in Vista. I get the above error message. Have looked at the favourite solution for this and have tried disabling all add ins one at a time to no avail. It will start ok in safe mode. Does anybody have any other suggestions

    This issue can be caused by an add-on that isn't working properly.
    Start Firefox in <u>[[Safe Mode]]</u> 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
    * https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

  • I reinstalled hoping it would get rid of the error message that pops up each time i open it TypeError: Components.classes[cid] is undefined

    When I open up Mozilla i get this error message--TypeError: Components.classes[cid] is undefined
    also when i am working on my real estate web site and pull up a name i get the same messag. At the top it always says-- Java Script Application

    That error is caused by an incompatible/malfunctioning add-on. To identify the culprit follow the procedure in the [[troubleshooting extensions and themes]] article. One add-on that has caused this error for some is AVG safe search.

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