This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Le thread ibilondoloziwe. Nceda ubuze umbuzo omtsha ukuba ufuna uncedo.

Message: Error: operation not possible on dead CPOW

  • 2 iimpendulo
  • 2 inale ngxaki
  • 15 views
  • Impendulo yokugqibela ngu cor-el

Nicque
Nicque
more options

how to solve??

An error has occured. Press "OK" to get help.

Error Details:

Message: Error: operation not possible on dead CPOW Source: browserapi.progressListener.onLocationChange Code: chrome://anonymox/content/modules/browserapi.js line 350 Stack Trace: browserapi.progressListener.onLocationChange@chrome://anonymox/content/modules/browserapi.js:350:1 wrapProgressListener/ListenerHandler.get/<@resource://gre/modules/RemoteAddonsParent.jsm:940:11 callListeners@chrome://browser/content/tabbrowser.xml:490:24 _callProgressListeners@chrome://browser/content/tabbrowser.xml:505:13 updateCurrentBrowser@chrome://browser/content/tabbrowser.xml:1111:13 onselect@chrome://browser/content/browser.xul:1:44 set_selectedIndex@chrome://browser/content/tabbrowser.xml:7029:13 set_selectedPanel@chrome://global/content/bindings/tabbox.xml:671:13 set_selectedIndex@chrome://global/content/bindings/tabbox.xml:399:15 set_selectedItem@chrome://global/content/bindings/tabbox.xml:431:34 _selectNewTab@chrome://global/content/bindings/tabbox.xml:476:11 onxblmousedown@chrome://global/content/bindings/tabbox.xml:782:11

Version: anonymoX 2.5.2 @ Firefox 51.0.1 @ WINNT

how to solve?? An error has occured. Press "OK" to get help. Error Details: Message: Error: operation not possible on dead CPOW Source: browserapi.progressListener.onLocationChange Code: chrome://anonymox/content/modules/browserapi.js line 350 Stack Trace: browserapi.progressListener.onLocationChange@chrome://anonymox/content/modules/browserapi.js:350:1 wrapProgressListener/ListenerHandler.get/<@resource://gre/modules/RemoteAddonsParent.jsm:940:11 callListeners@chrome://browser/content/tabbrowser.xml:490:24 _callProgressListeners@chrome://browser/content/tabbrowser.xml:505:13 updateCurrentBrowser@chrome://browser/content/tabbrowser.xml:1111:13 onselect@chrome://browser/content/browser.xul:1:44 set_selectedIndex@chrome://browser/content/tabbrowser.xml:7029:13 set_selectedPanel@chrome://global/content/bindings/tabbox.xml:671:13 set_selectedIndex@chrome://global/content/bindings/tabbox.xml:399:15 set_selectedItem@chrome://global/content/bindings/tabbox.xml:431:34 _selectNewTab@chrome://global/content/bindings/tabbox.xml:476:11 onxblmousedown@chrome://global/content/bindings/tabbox.xml:782:11 Version: anonymoX 2.5.2 @ Firefox 51.0.1 @ WINNT

All Replies (2)

FredMcD
FredMcD
more options

I found this using a web search; https://www.bing.com/search?q=%2boperation+not+possible+on+dead+CPOW&filters=rcrse%3a%221%22&FORM=RCRE

Electrolysis/e10s test tips - MozillaWiki https://wiki.mozilla.org/Electrolysis/e10s_test_tips

DevTools/Bug Fixes - MozillaWiki - wiki.mozilla.org https://wiki.mozilla.org/DevTools/Bug_Fixes

There may be other articles.

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

You can try to disable multi-process tabs in Firefox. You can disable multi-process tabs in Firefox by setting the related prefs to false on the about:config page.

  • browser.tabs.remote.autostart = false
  • browser.tabs.remote.autostart.2 = false