Exc in ev handl: Error: Bad NPObject as private data! How do I ge rid of this?

Exc in ev handl: Error: Bad NPObject as private data! I get this error when opening and closing tabs. It only happens when using Firefox. I am running 7.0.1 on a 64 bit version of windows. While researching this problem I discovered thousands of people have the problem. This just started recently. No real fixes or causes have been found. One solution listed was to disable McAfee site adviser which I use and have no plans to remove. I really like Firefox but if I must choose between it and Site adviser I'll have to switch to another browser.

Please see solution in http://kb.mozillazine.org/Problematic_extensions
for "McAfee Site Advisor".
(Windows): For best results you should uninstall '''McAfee Site Advisor''' from Control Panel > add/change programs (Programs and Features). Reboot the system. Then Reinstall from http://www.siteadvisor.com/ and reboot the system. When installing refuse other suggested (crapware) applications.
<br><small>Please mark "Solved" one answer that will best help others with a similar problem -- hope this was it.</small>

Similar Messages

  • A message will pop up (Exc in ev handl: Error: Bad NPObject as private data!) and the tab I was on will close out and reopen in a new window. Why is it happening and how do I stop it?

    Okay, I will have a window open with 4 tabs open. At first, everything is fine, but after a day or so, a message will pop up on screen saying "'''Exc in ev handl: Error: Bad NPObject as private data!'''" and after you close it out, the tab you were on will close and reopen in it's own window. I then have to shut down all both old and new windows and open a new window with my original 4 tabs again. It will work fine until a few days pass and it starts over again.

    This issue can be caused by the McAfee Site Advisor extension
    *https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes
    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

  • After updating Firefox I am getting this message any time I do anything "Exc in ev handl:Error: Bad NPObject as private data"

    This error happens each time I use Mozilla. especially when I click on an extension or try to work in any of my e-mail accounts (Yahoo, Gmail, or RCN). Sometimes I am able to continue by just clicking OK and other times it prevents me from completing my task. This started happening right after I downloaded and installed your latest version of Firefox. I see others are having the same problem. Error message is "Exc in ev handl:Error: Bad NPObject as private data"

    That issue can be caused by the McAfee Site Advisor extension
    *https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes
    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

  • I am gettng the following popup when using firfox as my browser: Exc in ev handl: Error: Bad NPObject as private data!

    In the past few days I have been getting the following popup when I use firefox as my browser: Exc in ev handl: Error: Bad NPObject as private data!
    I assume it came from your latest update. I have windows vista with a 64 bit processor, and I am using the latest version of firefox. I checked to see if I was getting the same error message with explorer and I am not. It appears to be some sort of conflict with java script. Can this be corrected?

    re: recommendation -- "Remove McAfee Site Advisor and other extensions/plugins reported in the following lists of Blocked/Problematic extension: "
    NO -- I use it to protect my surfing! Why must FireFox insist on constantly breaking 3-rd party vendor apps!?! Even IE doesn't do this.
    For all the ballyhoo about FF and how great it is -- it ISN'T when it comes to how it supports other companies apps. (RealPlayer, Google, McAfee, etc.)
    Shame on them. I shouldn't have to give up functionality, and in this case protection -- just to use FF

  • Why do I get the following msg's on startup start Firefox? (1) Exc in ev handl: TypeError: oSAPlg.oRoot.log is not a function; (2) Exc in ev handl: TypeError: oSAPlg.oRoot.log is not a function; (3) Exc in ev handl: Error: Bad NPObject as private data!

    I get the following msg's. This happening more often, and when I back out to restart it may take a couple of times so that I do not get the error msg's?
    Exc in ev handl: TypeError: oSAPlg.oRoot.log is not a function
    Exc in ev handl: Error: Bad NPObject as private data!

    This issue can be caused by the McAfee Site Advisor extension
    *https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes
    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

  • I don´t get any Java Script referral on the: Exc in ev handl: Error: Bad NPObject as private data, what is then my problem?

    Exc in ev handl: Error: Bad NPObject as private data
    This is the pop up that keeps annoying me in FF. You send me the question: The box that the error is in says something about JavaScript?
    I´m answering NO!

    This issue can be caused by an extension that isn't working properly (McAfee Site Advisor).
    *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

  • Error msg received on opening tab: Exc in ev handl: Error: Bad NPObject as private data!

    Very simple- the following error message appears when I open a new tab, either with a web page or blank:
    Exc in ev handl: Error: Bad NPObject as private data!

    Please see solution in http://kb.mozillazine.org/Problematic_extensions
    for "McAfee Site Advisor".
    (Windows): For best results you should uninstall '''McAfee Site Advisor''' from Control Panel > add/change programs (Programs and Features). Reboot the system. Then Reinstall from http://www.siteadvisor.com/ and reboot the system. When installing refuse other suggested (crapware) applications.
    <br><small>Please mark "Solved" one answer that will best help others with a similar problem -- hope this was it.</small>

  • Exc in ev handl: Error: Bad NPObject as private data! what is this an how do i get rid of it...

    Exc in ev handl: Error: Bad NPObject as private data!

    Please see solution in http://kb.mozillazine.org/Problematic_extensions
    for "McAfee Site Advisor".
    (Windows): For best results you should uninstall '''McAfee Site Advisor''' from Control Panel > add/change programs (Programs and Features). Reboot the system. Then Reinstall from http://www.siteadvisor.com/ and reboot the system. When installing refuse other suggested (crapware) applications.
    <br><small>Please mark "Solved" one answer that will best help others with a similar problem -- hope this was it.</small>

  • What is this message mean? Exc in ev handl: Error: Bad NPObject as private data!

    Exc in ev handl: Error: Bad NPObject as private data! Why do I get this message when browsing?

    Troubleshooting extensions and themes
    * https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes
    Check and tell if its working.

  • Cada vez que abro una página web me aparece el siguiente mensaje: Exc in ev handl: Error: Bad NPObject as private data! ¿cómo puede arreglarlo??

    Cada vez que abro una página web me aparece el siguiente mensaje: Exc in ev handl: Error: Bad NPObject as private data! ¿cómo puede arreglarlo?

    Please see solution in http://kb.mozillazine.org/Problematic_extensions
    for "McAfee Site Advisor".
    (Windows): For best results you should uninstall '''McAfee Site Advisor''' from Control Panel > add/change programs (Programs and Features). Reboot the system. Then Reinstall from http://www.siteadvisor.com/ and reboot the system. When installing refuse other suggested (crapware) applications.
    <br><small>Please mark "Solved" one answer that will best help others with a similar problem -- hope this was it.</small>

  • Elke keer Exc in ev handl: Error: Bad NPObject as private data! na firefox 7

    Na upgrade firefox 7 telkens de volgende mededeling:
    Exc in ev handl: Error: Bad NPObject as private data!
    Wat kan hieraan gedaan worden? Is het verstandig firefox 6 te gebruiken?

    This issue can be caused by the McAfee Site Advisor extension
    *https://community.mcafee.com/message/203466
    *https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

  • Every time I switch tabs I get this message "Exc in ev handl: Error: Bad NPObject as private data!" What do I do to stop this message from coming up??

    If I open up firefox & have more than one tab I get this message "Exc in ev handl: Error: Bad NPObject as private data!" whenever I switch tabs. What should I do to fix this problem?? Thanks for your prompt attention to this matter
    -Kipp

    This issue is caused by the McAfee Site Advisor extension
    *https://community.mcafee.com/message/203466
    *https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

  • I rcvd the following error : Exc in ev handl: Error: Bad NPObject as private data! What cause this problem ? Thanks

    Whenever opening a new link, rcvd the following error : Exc in ev handl: Error: Bad NPObject as private data!

    this issue can be caused by the McAfee Site Advisor extension. See:
    * https://community.mcafee.com/message/203466
    * https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes

  • Can anyone fix this issue? It is both on my home and office computer anf from online blogs it seems to be a large problem for many. Exc in ev handl: Error: Bad NPObject as private data!

    Exc in ev handl: Error: Bad NPObject as private data!

    Disable "McAfee Site Advisor" extension which was just updated to 3.4.0, which probably took it out of the addons block list.
    * "Ctrl+Shift+A" > find McAfee Site Advisor and use "Disable", and then restart Firefox.
    * Do a Google Search no problem
    * It seems that if you re-enable Site Advisor again, and restart Firefox you are okay. At least you know where to look if you get the error again or Google searches slow down.

  • Why, when have more than one tab on Firefox it generates message Exc in ev handl: Error: Bad NPObject as private data! which then opens each site in a new browser

    I like to work with about 6 tabs open on Firefox and typically this has been absolutely fine. Starting around November 2011 each time I have multiple tabs open when I open a new gmail message, or open an order or any other action within an open page a message pops up that reads
    Exc in ev handl: Error: Bad NPObject as private data!
    then that site immediately opens in a new browser window.
    I do not have this issue with Google Chrome or Internet Explorer but I would rather use Firefox. I ran McAfee an extra time thinking it might be a virus but that did not help. Any ideas?

    That issue can be caused by the McAfee Site Advisor extension
    * https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes
    Start Firefox in Safe Mode 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

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