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Corrupted Content Error when opening GMail

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I am unable to open Gmail in Firefox. This has only just occurred - until now it has worked perfectly. On trying to open Gmail I now get the following message.

"Corrupted Content Error

The site at https://mail.google.com/mail/ca/u/0/#inbox 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 data transmission was detected.

Please contact the website owners to inform them of this problem."

No other site has been affected, and I can still open Gmail in Internet Explorer, {but I prefer not to use IE for emails

Any help solving this would be really appreciated

Andypolk

I am unable to open Gmail in Firefox. This has only just occurred - until now it has worked perfectly. On trying to open Gmail I now get the following message. "Corrupted Content Error The site at https://mail.google.com/mail/ca/u/0/#inbox 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 data transmission was detected. Please contact the website owners to inform them of this problem." No other site has been affected, and I can still open Gmail in Internet Explorer, {but I prefer not to use IE for emails Any help solving this would be really appreciated Andypolk

Ausgewählte Lösung

Hi, suggest empty cookies, clear cache

Here are the usual suggestions:

When you have a problem with one particular site, a good "first thing to try" is clearing your Firefox cache and deleting your saved cookies for the site.

(1) Bypass Firefox's Cache

Use Ctrl+Shift+r to reload the page fresh from the server.

Alternately, you also can clear Firefox's cache completely using:

"3-bar" menu button (or Tools menu)-- > Options -->

On the Network mini-tab > Cached Web Content : "Clear Now"

If you have a large hard drive, this might take a few minutes.

Options --> Security & Privacy-- > "Manage Data"

In the dialog that opens, you can remove the site's cookies individually.

Then try reloading the page. Does that help?


In case one of your extensions is involved, could you test the page in Firefox's Safe Mode? That's a standard diagnostic tool to deactivate extensions and some advanced features of Firefox. More info: Troubleshoot Firefox issues using Safe Mode.

You can restart Firefox in Safe Mode using either:

  • "3-bar" menu button > "?" button > Restart with Add-ons Disabled
  • Help menu > Restart with Add-ons Disabled

Not all add-ons are disabled: Flash and other plugins still run

After Firefox shuts down, a small dialog should appear. Click "Start in Safe Mode" (not Reset).

Any difference/fixed ?

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OpenH264 Video Codec provided by Cisco Systems Inc Widevine Content Decryption Module provided by Google Inc

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  • User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:62.0) Gecko/20100101 Firefox/62.0

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Shadow110 1072 Lösungen 14836 Antworten
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Ausgewählte Lösung

Hi, suggest empty cookies, clear cache

Here are the usual suggestions:

When you have a problem with one particular site, a good "first thing to try" is clearing your Firefox cache and deleting your saved cookies for the site.

(1) Bypass Firefox's Cache

Use Ctrl+Shift+r to reload the page fresh from the server.

Alternately, you also can clear Firefox's cache completely using:

"3-bar" menu button (or Tools menu)-- > Options -->

On the Network mini-tab > Cached Web Content : "Clear Now"

If you have a large hard drive, this might take a few minutes.

Options --> Security & Privacy-- > "Manage Data"

In the dialog that opens, you can remove the site's cookies individually.

Then try reloading the page. Does that help?


In case one of your extensions is involved, could you test the page in Firefox's Safe Mode? That's a standard diagnostic tool to deactivate extensions and some advanced features of Firefox. More info: Troubleshoot Firefox issues using Safe Mode.

You can restart Firefox in Safe Mode using either:

  • "3-bar" menu button > "?" button > Restart with Add-ons Disabled
  • Help menu > Restart with Add-ons Disabled

Not all add-ons are disabled: Flash and other plugins still run

After Firefox shuts down, a small dialog should appear. Click "Start in Safe Mode" (not Reset).

Any difference/fixed ?

Hi, suggest empty cookies, clear cache Here are the usual suggestions: When you have a problem with one particular site, a good "first thing to try" is clearing your Firefox cache and deleting your saved cookies for the site. (1) Bypass Firefox's Cache Use Ctrl+Shift+r to reload the page fresh from the server. Alternately, you also can clear Firefox's cache completely using: "3-bar" menu button (or Tools menu)-- > Options --> On the Network mini-tab > Cached Web Content : "Clear Now" If you have a large hard drive, this might take a few minutes. Options --> Security & Privacy-- > "Manage Data" In the dialog that opens, you can remove the site's cookies individually. Then try reloading the page. Does that help? ----------------- In case one of your extensions is involved, could you test the page in Firefox's Safe Mode? That's a standard diagnostic tool to deactivate extensions and some advanced features of Firefox. More info: Troubleshoot Firefox issues using Safe Mode. You can restart Firefox in Safe Mode using either: *"3-bar" menu button > "?" button > Restart with Add-ons Disabled *Help menu > Restart with Add-ons Disabled Not all add-ons are disabled: Flash and other plugins still run After Firefox shuts down, a small dialog should appear. Click "Start in Safe Mode" (not Reset). *https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Any difference/fixed ?

Geändert am von Shadow110

Fragesteller

Pkshadow

Clearing the cache fixed the problem.

Many thanks for your prompt relpy

Pkshadow Clearing the cache fixed the problem. Many thanks for your prompt relpy
Graham Perrin 1 Lösungen 15 Antworten
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https://stackoverflow.com/a/53971028/38108

> … Across the Internet there are numerous reports, from users of Gmail with Firefox, of Corrupted Content Error, network protocol violation etc. so it's probably appropriate to raise a new bug.

https://stackoverflow.com/a/53971028/38108 > … Across the Internet there are numerous reports, from users of Gmail with Firefox, of ''Corrupted Content Error'', ''network protocol violation'' etc. so it's probably appropriate to raise a new bug.

Geändert am von Graham Perrin

cor-el
  • Top 10 Contributor
  • Moderator
17699 Lösungen 160142 Antworten
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You can get a "Corrupted Content Error" error if there are multiple location redirects send via the HTTP response headers. Firefox doesn't allow this for security reasons.

You can check the Web Console (Tools -> Web Developer) for messages about blocked content and about the presence of mixed or unsafe content.

You can check the Network Monitor to see if content is blocked or otherwise fails to load.

If necessary use "Ctrl+F5" or "Ctrl+Shift+R" (Mac: Command+Shift+R) to reload the page and bypass the cache to generate a fresh log.

You can get a "Corrupted Content Error" error if there are multiple location redirects send via the HTTP response headers. Firefox doesn't allow this for security reasons. You can check the Web Console (Tools -> Web Developer) for messages about blocked content and about the presence of mixed or unsafe content. *https://developer.mozilla.org/en-US/Tools/Web_Console You can check the Network Monitor to see if content is blocked or otherwise fails to load. *https://developer.mozilla.org/en-US/Tools/Network_Monitor If necessary use "Ctrl+F5" or "Ctrl+Shift+R" (Mac: Command+Shift+R) to reload the page and bypass the cache to generate a fresh log.
Graham Perrin 1 Lösungen 15 Antworten
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cor-el said

… Web Console …

Done; please see the Super User answer that was linked from https://stackoverflow.com/a/53971028/38108

''cor-el [[#answer-1184866|said]]'' <blockquote> … Web Console …</blockquote> Done; please see the Super User answer that was linked from https://stackoverflow.com/a/53971028/38108
Graham Perrin 1 Lösungen 15 Antworten
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Hilfreiche Antwort

Found:

Found: * [https://bugzilla.mozilla.org/show_bug.cgi?id=1495275 Bug 1495275] - Corrupted Content Error for Gmail

Geändert am von cor-el

cor-el
  • Top 10 Contributor
  • Moderator
17699 Lösungen 160142 Antworten
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That bug report seems to indicate that this happens if you downgrade a profile that has been used with a newer Firefox version and might be caused by a corrupted Service Worker.

Firefox has the about:serviceworkers page where you can check registered Service Workers.

That bug report seems to indicate that this happens if you downgrade a profile that has been used with a newer Firefox version and might be caused by a corrupted Service Worker. Firefox has the about:serviceworkers page where you can check registered Service Workers.
dbomber69 0 Lösungen 3 Antworten
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I was having the same problem until i signed into hangouts and it hasn't happened since. Maybe being signed out of hangouts is causing some kind of conflict with GMail. Back o not working. So this is not the problem.

I was having the same problem until i signed into hangouts and it hasn't happened since. Maybe being signed out of hangouts is causing some kind of conflict with GMail. Back o not working. So this is not the problem.

Geändert am von dbomber69

Graham Perrin 1 Lösungen 15 Antworten
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The Google Hangouts-oriented hint didn't work for me with Waterfox, unfortunately: https://www.reddit.com/comments/9wfdrn/-/efprd8v/

The Google Hangouts-oriented hint didn't work for me with Waterfox, unfortunately: https://www.reddit.com/comments/9wfdrn/-/efprd8v/
dbomber69 0 Lösungen 3 Antworten
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Turning off Avast's webshield does not solve the problem. Should i downgrade my operating system to Windows95 so it works? It seems like the more time that goes by the more websites are broken. What kind of coders are being hired? Coders who barely passed? I can't believe that this hasn't been resolved or that they even have a clue to what is causing it. This has happened multiple times over the last few years and you would think they learned from all the previous problems.

Turning off Avast's webshield does not solve the problem. Should i downgrade my operating system to Windows95 so it works? It seems like the more time that goes by the more websites are broken. What kind of coders are being hired? Coders who barely passed? I can't believe that this hasn't been resolved or that they even have a clue to what is causing it. This has happened multiple times over the last few years and you would think they learned from all the previous problems.
Graham Perrin 1 Lösungen 15 Antworten
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> … Should i downgrade my operating system to Windows95 …

If it pleases you, do so. You might test a c.1995 system's ability to work with a complex 2019 web app.

> This has happened multiple times over the last few years

I think not. Was Corrupted Content Error when opening GMail reported by anyone before 2018?

> … Should i downgrade my operating system to Windows95 … If it pleases you, do so. You might test a c.1995 system's ability to work with a complex 2019 web app. > This has happened multiple times over the last few years I think not. Was ''Corrupted Content Error when opening GMail'' reported by anyone before 2018?
dbomber69 0 Lösungen 3 Antworten
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Since at least 2016 it has been happening. https://productforums.google.com/forum/#!topic/gmail/MDzoIp6dOCo

Since at least 2016 it has been happening. https://productforums.google.com/forum/#!topic/gmail/MDzoIp6dOCo
Alex_Nelson 0 Lösungen 1 Antworten
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Hilfreiche Antwort

Unable to open Gmail with same error message "The site at https://mail.google.com/mail/ca/u/0/#inbox has experienced a network protocol violation that cannot be repaired."

Clearing cache and starting in safe mode resulted in same error message.

Verified files and directories against a clean install with minimal discrepancies.

Went to storage directory (my portable install - c:\Firefox64_Porte\Data\profile\storage\default\ and deleted the directory https+++mail.google.com.

Restarted firefox and was able to open Gmail.

Unable to open Gmail with same error message "The site at https://mail.google.com/mail/ca/u/0/#inbox has experienced a network protocol violation that cannot be repaired." Clearing cache and starting in safe mode resulted in same error message. Verified files and directories against a clean install with minimal discrepancies. Went to storage directory (my portable install - c:\Firefox64_Porte\Data\profile\storage\default\ and deleted the directory https+++mail.google.com. Restarted firefox and was able to open Gmail.

Geändert am von Alex_Nelson

Steve_C 0 Lösungen 1 Antworten
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Alex_Nelson said

Went to storage directory (my portable install - c:\Firefox64_Porte\Data\profile\storage\default\ and deleted the directory https+++mail.google.com. Restarted firefox and was able to open Gmail.

Thanks for giving me the solution that worked for me too.

''Alex_Nelson [[#answer-1198267|said]]'' <blockquote>Went to storage directory (my portable install - c:\Firefox64_Porte\Data\profile\storage\default\ and deleted the directory https+++mail.google.com. Restarted firefox and was able to open Gmail. </blockquote> Thanks for giving me the solution that worked for me too.