Firefox has experienced a network protocol violation that cannot be repaired.
Last night I did the new firefox update and every since then I have been getting the following error on multiple sites. Including Tumblr, Google, yahoo mail, and many others.
"Network Protocol Error
Firefox has experienced a network protocol violation that cannot be repaired.
The page you are trying to view cannot be shown because an error in the network protocol was detected.
Please contact the website owners to inform them of this problem."
I have tried searching out the answer on here and most said to just clear out the cache which is what I did and I am still receiving the error at random times on different sites. I can refresh and the site will load but then if I got to another page of the same website or a different site the error will just appear again. Thanks in advance!
Bewurke troch AshiaNicole26 op
Keazen oplossing
As a test, disable the Norton main program(right-click its icon). Then try 'Safe' websites.
Dit antwurd yn kontekst lêze 👍 0Alle antwurden (17)
Start Firefox in Safe Mode {web link}
A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?
There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connection certificates and send their own.
https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can
https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites
https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message
https://support.mozilla.org/en-US/kb/connection-untrusted-error-message
I started it in safe mode and it wasn't showing the errors so I restarted into normal mode and it seems to not be showing the errors anymore. Thanks for the help!
Update: So 6 minutes after I said it seemed to not be showing the error, the error appeared again.
Bewurke troch AshiaNicole26 op
Did you check the other links I posted?
I did yes, but I can't seem to find the solution. I clicked on the show site information when the error happened and it is saying the connection is not secure. These sites are ones I have been using daily for years and have never had a problem until this latest update. I followed the instructions to to check my network settings and proxy. It was already on the no proxy choice. I'm just not sure where to go from here.
Type about:support in the address bar and press Enter. Under the main banner, press the button; Copy Text To Clipboard.. Now in the Reply Box on the forum page, do a right-click in the box and select Paste.
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Application Basics
Name: Firefox Version: 65.0 Build ID: 20190124174741 Update Channel: release User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0 OS: Windows_NT 6.1 Multiprocess Windows: 5/5 (Enabled by default) Web Content Processes: 5/4 Enterprise Policies: Inactive Google Key: Found Mozilla Location Service Key: Found Safe Mode: false
Crash Reports for the Last 3 Days
All Crash Reports Firefox Features
Name: Firefox Monitor Version: 2.8 ID: fxmonitor@mozilla.org Name: Firefox Screenshots Version: 35.0.0 ID: screenshots@mozilla.org Name: Form Autofill Version: 1.0 ID: formautofill@mozilla.org Name: Web Compat Version: 3.0.0 ID: webcompat@mozilla.org Name: WebCompat Reporter Version: 1.1.0 ID: webcompat-reporter@mozilla.org Extensions
Name: Adblock Plus - free ad blocker Version: 3.4.3 Enabled: true ID: {d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d} Name: Norton Safe Web Version: 3.4.0.4 Enabled: true ID: nortonsafeweb@symantec.com Name: Yahoo Homepage Version: 1.5.2 Enabled: true ID: ff_hpset@jetpack Name: Email Version: 100.2.2 Enabled: false ID: @Email Name: Norton Home Page Version: 3.1.0.3 Enabled: false ID: nortonhomepage_ven_y@symantec.com Name: Norton Password Manager Version: 6.2.3.7 Enabled: false ID: idsafe@norton.com Security Software
Type:
Type: Type: Graphics
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Keazen oplossing
As a test, disable the Norton main program(right-click its icon). Then try 'Safe' websites.
Network protocol error when trying to see "what's new" in latest update 3/22/19.
See if this helps: https://answers.microsoft.com/en-us/windows/forum/windows_10-networking/missing-network-protocol-in-windows-10/732cc587-d77b-48b2-8d35-fbfc7bf0f829?auth=1
From Start screen, search Command Prompt, select Run as Administrator Type the Command and press the Enter key to execute it: netsh int ip reset Then restart the device to apply all changes
A post was flagged as Solved Problem. If the problem is not solved, please remove that flag. If you don’t, others that can help may not read this post.
Go to that message, and use the Undo link to its right.
Got some errors with the new 66.0.1 Update. I kept Reloading the sites in question and they are now working. I don't know if it's a FF Bug-a-Boo or what. I'll keep an eye on it.
~Pj
FredMcD said
See if this helps:
https://answers.microsoft.com/en-us/windows/forum/windows_10-networking/missing-network-protocol-in-windows-10/732cc587-d77b-48b2-8d35-fbfc7bf0f829?auth=1
From Start screen, search Command Prompt, select Run as Administrator. Type the Command and press the Enter key to execute it:
netsh int ip reset then restart the device to apply all changes.
Isn't this just for Windows 10? I have Windows-7 Tagged here, so I only deal with Windows-7 Q&A here in the Forum.
~Pj
If the command won't work, the computer will tell you.
Is your problem settled?
Yes. Thank you
I am glad to hear that your problem has been resolved. If you haven't already, please select the answer that solves the problem. This will help other users with similar problems find the solution more easily.
Thank you for contacting Mozilla Support.
This problem appeared on my up-to-date Windows 7 laptop in the past 24 hours. Found the following resource: https://www.ostechnix.com/how-to-fix-network-protocol-error-on-mozilla-firefox/
...which does not fix anything, but is somewhat illuminating.
Also found a comment indicating that errors in this arena could be triggered by antivirus programs, with a recommendation to use MS Security Essentials (MSSE aka MSE) rather than Norton etc ... but MSSE is what I've had for several years, and I still received the errors mentioned.
Bottom line is, we haven't hit bottom yet!
BillM Did you try the above?
Please provide a public link (no password) that we can check out. No Personal Information Please !
Please explain the problem in detail. What happens? What is the exact error messages?
There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connection certificates and send their own.
https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can
https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites
https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message
https://support.mozilla.org/en-US/kb/connection-untrusted-error-message
Websites don't load - troubleshoot and fix error messages