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Get "Corrupted Content Error" when trying to access my Outlook email account unless I restart Firefox and do that first.

Hoosier Fan
Hoosier Fan
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As stated in my question I get the following message when trying to access my Outlook (Hotmail) account.

Corrupted Content Error

The site at https://outlook.live.com/owa/ 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.

If I access it the first time I open Firefox, it usually works. If I access another website and then try to get my email there, I get the above full message. I do not have that problem in any other browser, but Firefox is my favorite and have been using it since version .9

As stated in my question I get the following message when trying to access my Outlook (Hotmail) account. Corrupted Content Error The site at https://outlook.live.com/owa/ 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. If I access it the first time I open Firefox, it usually works. If I access another website and then try to get my email there, I get the above full message. I do not have that problem in any other browser, but Firefox is my favorite and have been using it since version .9

All Replies (1)

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 10 Contributor
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Hi Hoosier Fan, this is an interesting hint:

If I access it the first time I open Firefox, it usually works. If I access another website and then try to get my email there, I get the above full message.

But I'm not sure what to make of it just yet.

Do you use any filtering software or proxy server that may be intercepting and possibly modifying your website requests/responses?

Common security software that may function as a "man in the middle" include Avast, Bitdefender, ESET, Kaspersky, and Microsoft Family Safety.

More generally, if a site is generally known to work in Firefox, these are general suggestions to try when it stops working normally:

Cache and Cookies: 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) Clear Firefox's Cache

See: How to clear the Firefox cache

If you have a large hard drive, this might take a few minutes. If you do not see the number going down on the page, you can reload it using Ctrl+r to check progress.

(2) Remove the site's cookies (save any pending work first). While viewing a page on the site, try either:

  • right-click (on Mac Ctrl+click) a blank area of the page and choose View Page Info > Security > "View Cookies"
  • (menu bar) Tools > Page Info > Security > "View Cookies"
  • click the padlock or "i" icon in the address bar, then the ">" button, then More Information, and finally the "View Cookies" button

In the dialog that opens, the current site should be pre-filled in the search box at the top of the dialog so you can remove that site's cookies individually.

Then try reloading the page. Does that help?

Testing in Firefox's Safe Mode: In Safe Mode, Firefox temporarily deactivates extensions, hardware acceleration, and some other advanced features to help you assess whether these are causing the problem.

If Firefox is not running: Hold down the Shift key when starting Firefox. (On Mac, hold down the option/alt key instead of the Shift key.)

If Firefox is running: You can restart Firefox in Safe Mode using either:

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

and OK the restart.

Both scenarios: A small dialog should appear. Click "Start in Safe Mode" (not Refresh).

Any improvement?