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Ever since I upgraded to FF 16.0.2 Gmail will not allow me to click on any message. I get this error "Oops… the system encountered a problem (#405)-Retrying"

  • 2 majibu
  • 3 wana tatizo hili
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  • Last reply by cor-el

jarut1978
jarut1978
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Google Chat still works on the page, but I cannot access any message and the window does not refresh to show new messages. I am on Windows XP SP3 and have not seen any issues until the upgrade to FF 16.0.2 last week. I also have not installed any new software nor have I made any changes to my internet security software. I can access Gmail through IE8 and on my phone so it is not a Gmail issue.

Google Chat still works on the page, but I cannot access any message and the window does not refresh to show new messages. I am on Windows XP SP3 and have not seen any issues until the upgrade to FF 16.0.2 last week. I also have not installed any new software nor have I made any changes to my internet security software. I can access Gmail through IE8 and on my phone so it is not a Gmail issue.

Chosen solution

The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information. Note: This will cause you to lose any Extensions, Open websites, and some Preferences.

To Reset Firefox do the following:

  1. Go to Firefox > Help > Troubleshooting Information.
  2. Click the "Reset Firefox" button.
  3. Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
  4. Firefox will open with all factory defaults applied.


Further information can be found in the Refresh Firefox - reset add-ons and settings article.

Did this fix your problems? Please report back to us!

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All Replies (2)

user633449
user633449
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Suluhisho teule

The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information. Note: This will cause you to lose any Extensions, Open websites, and some Preferences.

To Reset Firefox do the following:

  1. Go to Firefox > Help > Troubleshooting Information.
  2. Click the "Reset Firefox" button.
  3. Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
  4. Firefox will open with all factory defaults applied.


Further information can be found in the Refresh Firefox - reset add-ons and settings article.

Did this fix your problems? Please report back to us!

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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If it happens again then try these steps:

Reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.

  • Press and hold Shift and left-click the Reload button.
  • Press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
  • Press "Command + Shift + R" (MAC)

Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do not click the Reset button on the Safe mode start window or otherwise make changes.