I am getting a JavaScript application window stating" TypeError: Components.classes['@softage.ru/skype/SkypeFfExtension;1'] is undefined.

Whenever I opening a link in new tap /page I am getting a JavaScript application window TypeError: Components.classes['@softage.ru/skype/SkypeFfExtension;1'] is undefined"

See [[Troubleshooting extensions and themes]]

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When opening Firefox, I keep receiving a window stating: I am getting a JavaScript application window stating" TypeError: Components.classes['@softage.ru/skype/SkypeFfExtension;1']. How can I stop this messagge to appear ?

Each time I open Firefox program, I keep getting a window stating: I am getting a JavaScript application window stating" TypeError: Components.classes['@softage.ru/skype/SkypeFfExtension;1'].
How can I stop this message to appear ?

Issue caused by Skype addon by Firefox. Which version of Skype are you using? Make sure its latest one?
*skype.com

After the latest update for firefox, now when I start firefox up I keep getting a pop up window that is a Java Script Application that says TypeError:Components.classes['@softage.ru/skype/skypeFfExtension;1']is undefined.

After closing this Firefox seems to work fine but this happens everytime on startup. How can I get rid of this pop up window starting everytime? Can I re-install firefox? Would I lose my bookmarks etc?

Once I disabled my Ask.com toolbar (that was installed when I installed FoxIt), the error went away.

Have updated to F.F.5. and I now get this evertime I use it. Message: [Javascript Application] TypeError: Components.classes[@softage.ru/skype/SkypeFfExtension;1'] is undefined - HELP

Have updated to F.F.5. and I now get this error every time I use it.
Message: [Javascript Application] TypeError: Components.classes[@softage.ru/skype/SkypeFfExtension;1'] is undefined - HELP
As do hundreds of others it seems. If you run a search on this error.
Many thanks for your help over this.
Sean

That is caused by a problem with the Skype extension for Firefox.
See:
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

Have updated to F.F.6 I am still getting this error evertime I use it. Message: [Javascript Application] TypeError: Components.classes[@softage.ru/skype/SkypeFfExtension;1'] is undefined - HELP

Every time I use F.F. I get this error. TypeError: Components.classes['@softage.ru/skype/SkypeFfExtension;1'] is undefined
Does anyone else get this and or know how to remove it?
Many thanks for your help and support

This issue is caused by the Skype extension for Firefox.
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes
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

Getting an error message TypeError: Components.classes['@softage.ru/skype/SkypeFfExtension;1'] is undefined

on starting up i get this message TypeError: Components.classes['@softage.ru/skype/SkypeFfExtension;1'] is undefined
i have also got other warnings from adobe issue 10 when i try to view anything

This issue can be caused by the Skype extension (Firefox/Tools > Add-ons > Extensions)
See:
* https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

I get the following error message when I open Minefield: TypeError: Components.classes['@softage.ru/skype/SkypeFfExtension;1'] is undefined

This only happens on Minefield, NOT on Firefox (latest release)
== This happened ==
Every time Firefox opened
== 2 weeks ago ==
== User Agent ==
Mozilla/5.0 (Windows; Windows NT 6.1; en-US; rv:2.0b2pre) Gecko/20100705 Minefield/4.0b2pre

Removing the Skype extension/add-on and restarting FF solves the problem.

When opening Firefox I get this message: Type Error: Components. classes ['@software.ru/skype/skypeFfentension;1'] is undefined. I have reinstalled Skype still have issue, Skype will not load, Firefox will ??

I started having this issue when I went to open Skype and it would not react and gave the message below. Then when I went back to firefox I got the above error message, which dissappears when I click OK and firefox will open. Skype still will not open.

That is a problem with the Skype extension. 
You will have to disable (uninstall) that extension if it isn't working properly.
See:
* [[Troubleshooting extensions and themes]]

I get an error message upon startup: "TypeError: Components.classes[cid] is undefined." Help!

In addition to the error message upon startup, the Enter key does nothing when I type a URL in the search bar; I have to click on the green arrow everytime to navigate to new pages. My about.home page is also empty when the program starts except a blank search bar in the center with no text anywhere around it. I installed 4.0 twice to see if that would fix the problems, but it didn't.

Usually caused by an incompatible extension.
http://support.mozilla.com/en-US/kb/troubleshooting+extensions+and+themes

I just installed 4.0b7. When I open Firefox, I get a Javascript Application error message.

I just installed 4.0b7. When I open Firefox, a Javascript Application windows opens with the following message:
"what happened:TypeError: Components.classes ['@mozilla.org/extensions/manager;1'] is undefined".
The browser does open after I click 'OK' on the error message.
How can I fix this?
I have tried uninstaling and re-installing the browser.
I am using Windows 7.

That indicates an add-on is not compatible with 4.0b7. Follow the procedure in the [[troubleshooting extensions and themes]] article to identify the culprit. If you have the Ask toolbar either disable or uninstall it, that one is known to give this error and is not compatible with 4.0b7.

When I open Firefox, the browser does not open. Instead I get a small window that says: TypeError: Components.classes[cid] is undefined. How do I fix this?

I tried to uninstall AVG antiviral software, but it did not uninstall. Next, when I try to open Firefox I get a box popup that says:
TypeError: Components.classes[cid] is undefined.
If I click OK in that box, I can then open Firefox.
Also I can no longer update Java.
Help!

Possibly you have "AVG Safe search" extension installed as part of "AVG Free", solution involves reinstalling :AVG Free" without the Link Scanner component see
* http://kb.mozillazine.org/Problematic_extensions
* symptom was noted in https://support.mozilla.com/questions/865877
Other possibilities
* "OneClick YouTube Downloader 1.07" as reported in
*: https://support.mozilla.com/questions/864343
* "Java console" needs to be updated as reported in
*:https://support.mozilla.com/questions/863711]
* "HP Smart Print 1.0" as reported in
*: https://support.mozilla.com/questions/857283
* "McAfee Site Advisor" as noted in (also see Problematic extensions above)
*:https://support.mozilla.com/questions/802381
*a theme After switching to the default theme the JavaScript error doesn't appear. (View > Page Style > No Style or if "Firefox" button use "Alt" first to get to the View menu)
*:https://support.mozilla.com/questions/837840
*various extensions/applications but is 1 year back and Firefox 3.6.6
*:https://support.mozilla.com/questions/729606
If none of the above solve you problem use diagnostic approach...
*: https://support.mozilla.com/questions/837840

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 [[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
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

Upgraded to FF4, Have windows 7, everytime I click on FF4 to go online, I get pop-up box with error message [Javascript: application] Typeerror: Components.classes[cid] is undefined...when I click OK it lets me online but this is a pain

I get an error message... [Javascript: application] upper left corner in the pop-up box, then in the body of the pop-up box it says, Typeerror: Components.classes[cid] is undefined...when I click OK it lets me online but this is a pain, also, I get the same message when I try to open another window while using FF4...Thanks and hope you can help...

Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]

After downloading 4.0 I get this message: JavaScript application can't create mcafee plug-in object: TypeError: components.classes[cid] is undefined

I finished downloading Firefox 4.o to my Mac OS.X.
When I try to open a website I get the message:
[JavaScript Application] can't create mcafee plug-in object: TypeError: Components.classes[cid] is undefined
If I click the OK button, the site opens, but without the McAfee alert at the bottom of the window.
I had just downloaded 3.6.16, and got box suggesting download version 4.0 for better security, but that seems to be where the problem is!

That indicates that an add-on you are using is not compatible, considering the other errors it is possibly the McAfee add-on. To confirm what add-on is causing this use the procedure in this link - https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

When i start firefox 4.0, i get a javascript application box coming up saying "TypeError: Components.classes[cid] is undefined" then i need to click ok to start firefox. Whats going on??????

When i start firefox 4.0, i get a javascript application box coming up saying "TypeError: Components.classes[cid] is undefined" then i need to click ok to start firefox. Once okay is clicked, firefox starts immediately.

This issue can be caused by an extension that isn't working properly.
Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]

I am getting a JavaScript application window stating" TypeError: Components.classes['@softage.ru/skype/SkypeFfExtension;1'] is undefined.

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