The following error message came when I tried to open Firefox and install Firefox Home. "can't create mcafee plug-in object: TypeError: Components.classes[cid] is undefined"

The following error message came when I tried to open Firefox and install Firefox Home.
"can't create mcafee plug-in object: TypeError: Components.classes[cid] is undefined"

This issue can be caused by an extension or plugin 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]]
* [[Troubleshooting plugins]]

Similar Messages

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

Error message when opening FF: can't create mcafee plug-in object: TypeError: Components.classes[cid] is undefined

I can click ok and firefox will open, but it's still odd... I get the same message when opening any kind of pop-up window.

This issue is most likely caused by a McAfee extension that isn't working properly and you will have to disable the extension that causes it.
You can also check if there is an update available from McAfee that fixes this problem.

After I downloaded Firefox 4 and I try to open Firefox, I get this error message, "plug-in object: TypeError: Components.classes[cid] is undefined". I click "OK"; Firefox opens and works just fine. Any suggestions??

Not much to add. Before Firefox will open, I get this error message, "plug-in object: TypeError: Components.classes[cid] is undefined". I click the "OK" button; Firefox opens and I have no further problems.
I use an Apple with OS v. 10.6.7 and had no problems until I downloaded Firefox 4.0

That indicates you have 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

I am getting this error message when i try to open FF "ug-in object: TypeError: Components.classes[cid] is undefined"

This is the error message I get when i click to open FF after i downloaded the newest version: "ug-in object: TypeError: Components.classes[cid] is undefined" . The message is in the top left corner and not fully visible. i sent a message a few min ago so i am sending this b/c i copied the error message to help diagnose the problem.

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 > Appearance/Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]

Error message at startup ug-in object: TypeError: Components.classes[cid] is undefined

Mac 10.5.8 When I click alias for Firefox 4.ob-12 and now Firefox 4.0 I get the following error message that halts the startup until I click "Ok".
ug-in object: TypeError: Components.classes[cid] is undefined
What's wrong?

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]]

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]]

The following error message appears when I try to create a PDF in Publisher:

The following error message appears when I try to create a PDF in Publisher:
PDFMaker cannot locate the Adobe PDF Printer's printer driver. Please re-install Adobe Acrobat 10.1.
I have tried update patches to no avail.
Can anyone please help?
Thank you.
Susan

Hello Michael,
My version of Publisher is 2010 and my OS is Windows 8.1.
64-bit OS x64 based processor.
I'm not too sure if this issue has arrisen when I upraded to Windows 8.1.
My Dell printer(Dell all in one) has also stopped working due to a driver issue now not being supported.
Thank you for taking the time to view my request.
Kind regards,
Susan

Hi - I keep receiving the following error message on a song I purchased from itunes and am now trying to drag and drop to my iPad: "you must download items from icloud before you can copy then to iPad" what does this mean - please help! Thank you

Hi - I keep receiving the following error message on a song I purchased from itunes and am now trying to drag and drop to my iPad: "you must download items from icloud before you can copy then to iPad" what does this mean - please help! Thank you

Hi Poonam26c,
If you do not have a local copy of a song which you have purchased (i.e. it is available via iTunes in the Cloud), you may need to redownload it before you can transfer it to your device. You may find the following article helpful:
Apple Support: Downloading past purchases from the iTunes Store, App Store, and iBooks Store
http://support.apple.com/kb/HT2519
Regards,
- Brenden

After having upgraded my MacBook to Snow Leopard, the following error message pops when I try to access iTunes: "The file iTunes Library.itl cannot be read because it was created by a new version of iTunes". I cannot now access iTunes. How can I resolve

After having upgraded my MacBook to Snow Leopard, the following error message pops when I try to access iTunes: "The file iTunes Library.itl cannot be read because it was created by a new version of iTunes". So, now after the upgrade, I cannot access iTunes. How do I resolve this??
Thanks

zepel has it, but perhaps some more detail will help.
Empty/corrupt library after upgrade/crash
Hopefully it's not been too long since you last upgraded iTunes, in fact if you get an empty/incomplete library immediately after upgrading then with the following steps you shouldn't lose a thing or need to do any further housekeeping. In the Previous iTunes Libraries folder should be a number of dated iTunes Library files. Take the most recent of these and copy it into the iTunes folder. Rename iTunes Library.itl as iTunes Library (Corrupt).itl and then rename the restored file as iTunes Library.itl. Start iTunes. Should all be good, bar any recent additions to or deletions from your library.
See iTunes Folder Watch for a tool to catch up with any changes since the backup file was created.
When you get it all working make a backup!
tt2

Getting error message when starting Firefox. Msg as follows: TypeError: Components.classes[cid] is undefined (using on Windows 7) Help?

Getting the following error message when I start Firefox. ''TypeError: Components.classes[cid] is undefined''
Do not know where to go to fix this. Running my laptop on Windows 7.

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 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.

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]]

I am getting an error message when I open Firefox 5 (Win.Vista) "TypeError:Components.classes[cid] is undefined." How can I get rid of this? Thank you.

Only started since the upgrade. Windows Vista Home 32 bit.
The error message reads:
"TypeError:Components.classes[cid] is undefined."

Try the suggested idea above. I just disabled all the add-ons which were not compatible with FF 5 and did a FF restart. That fixed the problem. I then enabled each one, one at a time, with a FF restart until the problem came back. I then disabled that add-on.

The following error message came when I tried to open Firefox and install Firefox Home. "can't create mcafee plug-in object: TypeError: Components.classes[cid] is undefined"

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